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SHARKS and RAYS of<br />

BORNEO<br />

Peter R. Last 4<br />

William T. White 4<br />

Janine N. Caira 4<br />

Dharmadi 4<br />

Fahmi 4<br />

Kirsten Jensen 4<br />

Annie P. K. Lim 4<br />

B. Mabel Manjaji-Matsumoto 4<br />

Gavin J. P. Naylor 4<br />

John J. Pogonoski 4<br />

John D. Stevens 4<br />

Gordon K. Yearsley 4


SHARKS and RAYS of<br />

BORNEO<br />

Peter R. Last 4<br />

William T. White 4<br />

Janine N. Caira 4<br />

Dharmadi 4<br />

Fahmi 4<br />

Kirsten Jensen 4<br />

Annie P. K. Lim 4<br />

B. Mabel Manjaji-Matsumoto 4<br />

Gavin J. P. Naylor 4<br />

John J. Pogonoski 4<br />

John D. Stevens 4<br />

Gordon K. Yearsley 4


© CSIRO 2010<br />

All rights reserved. Except under the conditions described in the Australian Copyright Act 1968<br />

and subsequent amendments, no part of this publication may be reproduced, stored in a<br />

retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying,<br />

recording, duplicating or otherwise, without the prior permission of the copyright<br />

owner. Contact the author for all permission requests.<br />

The National Library of Australia Cataloguing-in-Publication entry<br />

Last, Peter R. (Peter Robert) et al.<br />

<strong>Sharks</strong> and rays of Borneo/ Peter R. Last, William T. White, Janine N. Caira,<br />

Dharmadi, Fahmi, Kirsten Jensen, Annie P.K. Lim, B. Mabel Manjaji-Matsumoto,<br />

Gavin J.P. Naylor, John J. Pogonoski, John D. Stevens, Gordon K. Yearsley.<br />

9781921605598 (pbk.)<br />

9781921605642 (pdf)<br />

Includes index.<br />

Bibliography<br />

<strong>Sharks</strong> – Borneo.<br />

Rays (Fishes) – Borneo.<br />

597.3095983<br />

Produced and distributed by<br />

CSIRO PUBLISHING<br />

150 Oxford Street (PO Box 1139)<br />

Collingwood VIC 3066<br />

Australia<br />

Telephone: +61 3 9662 7666<br />

Local call: 1300 788 000 (Australia only)<br />

Fax: +61 3 9662 7555<br />

Email: publishing.sales@csiro.au<br />

Web site: www.publish.csiro.au<br />

Cover design by Louise Bell<br />

Illustrations by Ge<strong>org</strong>ina Davis, Lindsay Marshall and Stephanie Barnes<br />

Book design by William White and Peter Last<br />

Layout by William White<br />

Printed in Australia by Ligare


iii<br />

Foreword<br />

Slow growth, delayed maturity and low fecundity make chondrichthyans<br />

particularly vulnerable to the many sources of mortality accompanying<br />

humankind’s spreading influence on the planet. Habitat degradation, overfishing<br />

and unsustainable fishing practices, including dynamiting, cyanide poisoning and<br />

finning, all contribute to the pressures imposed on this unproductive group of<br />

fishes. About a fifth of Indo-Australian chondrichthyans are considered threatened<br />

and forty percent of conservation concern in the 2009 IUCN Red List, so it<br />

is critical that regional faunas are well defined and guides are available to help<br />

make accurate identifications of species. Taxono<strong>my</strong> is providing an increasingly<br />

important basis for managing species - the Borneo Broadfin Shark (Lamiopsis<br />

tephrodes Fowler, 1905) was recently resurrected from what was previously<br />

considered to be the monotypic genus Lamiopsis, as a result primarily of evidence<br />

of substantial DNA sequence divergence between sister species. Accurate<br />

taxono<strong>my</strong> remains the product of painstaking effort from a committed group of<br />

experts using all contemporary tools available.<br />

Taxonomic studies of the fishes of Borneo started almost 200 years ago. In 1996,<br />

an international project funded by the Darwin Foundation provided data on 36<br />

chondrichthyan species from Sabah, and three years later a published checklist<br />

from Borneo included 82 species. During a National Science Foundation (NSF)<br />

study of the metazoan parasites of Borneo and their chondrichthyan hosts, this list<br />

was expanded to include 118 chondrichthyan species and provided the impetus<br />

for the international collaboration that has produced this book. This guide will aid<br />

the conservation and management of this most vulnerable group of marine fishes<br />

and provide much pleasure to people interested in the natural history of Borneo,<br />

particularly its highly diverse shark and ray fauna.<br />

Nic Bax<br />

Leader, Marine Biodiversity and Conservation Management Research, CSIRO<br />

Director, CERF Marine Biodiversity Hub.<br />

Australia


iv<br />

Contents<br />

Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii<br />

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1<br />

How to use this book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9<br />

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12<br />

Key to families and genera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23<br />

Hexanchiformes<br />

Hexanchidae (Cowsharks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36<br />

Squaliformes<br />

Squalidae (Dogfishes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38<br />

Centrophoridae (Gulper <strong>Sharks</strong>) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40<br />

Squatiniformes<br />

Squatinidae (Angelsharks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42<br />

Heterodontiformes<br />

Heterodontidae (Hornsharks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44<br />

Orectolobiformes<br />

Orectolobidae (Wobbegongs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46<br />

Hemiscylliidae (Longtail Carpetsharks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48<br />

Ginglymostomatidae (Nurse <strong>Sharks</strong>) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56<br />

Stegostomatidae (Zebra <strong>Sharks</strong>) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58<br />

Rhincodontidae (Whale <strong>Sharks</strong>) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60<br />

Lamniformes<br />

Alopiidae (Thresher <strong>Sharks</strong>) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62<br />

Lamnidae (Mackerel <strong>Sharks</strong>) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64<br />

Carcharhiniformes<br />

Scyliorhinidae (Catsharks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66<br />

Triakidae (Houndsharks). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74<br />

Hemigaleidae (Weasel <strong>Sharks</strong>) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86<br />

Sphyrnidae (Hammerhead <strong>Sharks</strong>) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134


Rajiformes<br />

Pristoidei<br />

Pristidae (Sawfishes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140<br />

Rhinoidei<br />

Rhinidae (Shark Rays) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146<br />

Rhynchobatoidei<br />

Rhynchobatidae (Wedgefishes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148<br />

Rhinobatoidei<br />

Rhinobatidae (Shovelnose Rays). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154<br />

Torpedinoidei<br />

Narcinidae (Numbfishes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160<br />

Narkidae (Sleeper Rays) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166<br />

Rajoidei<br />

Rajidae (Skates) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170<br />

Anacanthobatidae (Leg Skates) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178<br />

Myliobatoidei<br />

Plesiobatidae (Giant Stingarees) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180<br />

Dasyatidae (Stingrays) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182<br />

Gymnuridae (Butterfly Rays) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238<br />

Myliobatidae (Eagle Rays) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242<br />

Rhinopteridae (Cownose Rays) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252<br />

Mobulidae (Devilrays) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256<br />

Chimaeriformes<br />

Chimaeridae (Shortnose Chimaeras) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266<br />

Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268<br />

Images sourced outside Borneo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270<br />

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271<br />

Checklist of Borneo sharks and rays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277<br />

Scientific names index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283<br />

English common names index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288<br />

Indonesian common names index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293<br />

Malaysian common names index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296


Introduction<br />

The region<br />

The island of Borneo lies at the western margin of the Coral Triangle of South-East<br />

Asia, a mega-diverse faunal region comprising the Philippines, Malaysia, Indonesia,<br />

Timor-Leste, Papua New Guinea and the Solomon Islands. Borneo is surrounded<br />

by four large marine basins, the Sulu, Celebes, Java and South China Seas. Divided<br />

administratively between the States of Brunei, Indonesia (Kalimantan), and Malaysia<br />

(Sabah and Sarawak), the 730,000 km 2 landmass supports a population of about<br />

18 million people. Considered to have unparalleled terrestrial biodiversity, its aquatic<br />

environments are equally complex and variable with a rich variety of habitats in both<br />

the sea and freshwater. Borneo has the longest rivers in Indonesia (Kapuas River,<br />

ca 1,140 km) and Malaysia (Rajang River, ca 560 km), as well as a few others longer<br />

than 800 km. Runoff from these rivers controls salinity in the nearby coastal zone,<br />

particularly in the south, forming expansive plumes of brackish water that create<br />

marginal estuaries that extend well into the open sea. Other parts of the island, such<br />

as the northern coast, are devoid of large rivers and here the habitats are dominated by<br />

freshwater intolerant marine species. There are also extensive areas of coral reef off the<br />

west coast. Very deep water habitats are restricted to parts of the Celebes and Sulu seas.<br />

Consequently, the intraregional distribution of the marine biota and its utilisation also<br />

vary considerably within the region.<br />

Biodiversity<br />

Borneo is considered to be a major centre of evolution and radiation of endemic<br />

terrestrial plants and animals. It is known to harbour 15,000 or so species of plants,<br />

more than 220 species of terrestrial mammals, and some 420 species of endemic birds.<br />

This high endemicity is largely due to extinction and speciation events during the<br />

Pleistocene ice ages and separation from continental Asia during the Holocene. A<br />

high level of endemism is shared by nearby aquatic systems, and of the 394 species of<br />

freshwater fishes, 149 are endemic to the island. Falling within the Coral Triangle, which<br />

covers only 2% of the world’s oceans but contains 76% of known coral species, the<br />

marine fish fauna is equally impressive. In a comprehensive biodiversity survey of coral<br />

reef fishes of the Indo Pacific, Allen (2008) recorded almost 1,500 species in the 100,000<br />

km 2 grid along the eastern border of Sabah and Kalimantan.<br />

Early work on Borneo fishes<br />

Borneo is historically important in ichthyology as it is the collection locality for some<br />

of the first taxonomic studies of the region’s fishes. Schlegel & Müller (1839) described<br />

the first marine fish from the region and soon after, Heckel (1843) described species<br />

from freshwater. Their work was followed by the unparalleled efforts of the Dutch<br />

field scientist, Pieter Bleeker, who between 1850 and 1876 described more than


S h a r k s a n d R a y s o f B o r n e o<br />

1,100 new fish species from the Indo-Malay archipelago, including a large number of<br />

chondrichthyans, and produced the historically important Atlas Ichthyologique des Indes<br />

Orientales Néerlandaises. Many of Bleeker’s 12,000 or so fish specimens are catalogued<br />

at the Natural History Museum in Leiden, Netherlands. Other famous 19 th C<br />

ichthyologists, including Richardson, Günther and Kaup, also made important contributions<br />

to our knowledge of this fascinating fauna.<br />

Cartilaginous fishes are relatively diverse in both marine and freshwater environments<br />

of Borneo. The region is the type locality for Pristis zijsron, Carcharhinus borneensis,<br />

C. sealei, Lamiopsis tephrodes and Sinobatis borneensis, as well as 10 new species<br />

discovered recently, i.e. Orectolobus leptolineatus, Cephaloscyllium sarawakensis, Glyphis<br />

fowlerae, Rhynchobatus springeri, Okamejei cairae, Okamejei jensenae, Himantura lobistoma,<br />

Pastinachus gracilicaudus, Pastinachus solocirostris and Pastinachus stellurostris. Until recently,<br />

this fauna was poorly known and accounts by field scientists in the mid-19 th C<br />

produced only patchy records of the region’s elasmobranchs. Cantor (1849) compiled<br />

a catalogue of Malaysian fishes that included 28 species of sharks and rays. Basic<br />

information, such as collection details, morphological traits, distribution within the<br />

region and basic biology, were not collected. In the early 20 th C, Henry Fowler<br />

and Albert Herre provided supplementary data on elasmobranchs from the region,<br />

especially from Sabah and Sarawak. Fowler, in particular, considered most of Bleeker’s<br />

new rays to be invalid. During a series of ad hoc surveys in the early 1990s, several of<br />

Bleeker’s species were rediscovered in fish markets of nearby Java rekindling interest in<br />

the taxono<strong>my</strong> of the group.<br />

Environmental pressures<br />

About 120 million people, whose livelihoods depend directly on fishing, live along the<br />

coasts and islands of the Coral Triangle. This large population is placing huge pressures<br />

on the marine environment through a range of fishing activities, many of which are<br />

unreported and unregulated (but not illegal, particularly fishing activities of the numerous<br />

artisanal fishers, where marine fishes are considered as “free common-good resources”).<br />

The live fish trade, supplying dominant markets in Hong Kong and China, takes some<br />

30,000 t/yr of reef fish worth more than US$150/kg out of the Coral Triangle, with<br />

Kota Kinabalu the main base in Malaysia. As well as supplying restaurants, these fish also<br />

enter the ornamental fish trade and many are caught by illegal cyanide fishing. Due to<br />

dynamite fishing, illegal, unreported and unregulated (IUU) fishing by other South-<br />

East Asian countries, and over-harvesting of invertebrates such as triton, sea cucumber<br />

and giant clam, the area’s coral reefs and associated ecosystems are being increasingly<br />

threatened. While there are some Marine Parks in the region, the lack of enforcement<br />

reduces their effectiveness. However there are some recent encouraging initiatives. In<br />

March 2008, the Asia Development Bank provided a US$1.5 million grant for environmentalists<br />

and respective governments to protect the forests and seas of Brunei, Indonesia,<br />

Malaysia and the Philippines.


I n t r o d u c t i o n<br />

<br />

Shark fisheries<br />

Major environmental degradation in Borneo, along with a four-fold increase in<br />

worldwide fisheries since World War II, has coincided with a major increase in<br />

exploitation of cartilaginous fishes. Most species known from Borneo occur in coastal<br />

or freshwater habitats easily accessible to fisheries and other antropogenic activities<br />

impacting on these fishes. Indonesia traditionally has the largest annual global production of<br />

elasmobranchs but, despite the early focus on them, only recently has the composition of<br />

this fauna been comprehensively described. The declaration of the Indonesian Exclusive<br />

Economic Zone (EEZ) in 1983, which includes the waters of Kalimantan, gives Indonesia<br />

control of more than 5.4 million km 2 of sea. With a reported 118,000 and 121,000<br />

tonnes landed in 2003 and 2004 respectively, Indonesia has the largest chondrichthyan<br />

fishery in the world. Catches of Malaysian Borneo are smaller but far from insignificant.<br />

Chondrichthyans are caught locally by target fisheries, and as commercial and artisanal<br />

bycatch, using fishing methods that vary greatly geographically and between nations. In<br />

Indonesia, chondrichthyans are targeted using a variety of fishing methods, such as gill<br />

and tangle nets, longlines and harpoons. Fisheries that land substantial catches of elasmobranchs<br />

as bycatch include those operating small-scale bottom trawls, trammel and gill<br />

nets, and longlines and droplines. In Malaysia, demersal trawling and drift nets account for<br />

the bulk of the catch (DOFM, 2006).<br />

Darwin project<br />

In 1996, the first major investigation of the elasmobranchs of Sabah was initiated<br />

by an international research team led by Sarah Fowler and supported by funding<br />

from the UK Darwin Foundation. This project attempted to answer basic questions<br />

relating to the biodiversity, fisheries impact, biology, and conservation status of coastal<br />

marine and freshwater elasmobranchs of Sabah, and compile a preliminary checklist of<br />

chondrichthyans of greater Borneo. The survey work, which focused on both coastal<br />

marine and freshwater habitats, uncovered a relatively rich freshwater fauna. For<br />

example, Fowler & Payne (1995) recorded two species of rays, several species of rare<br />

sharks and a species of sawfish, from the Kinabatangan River in East Malaysia. A<br />

preliminary report on the project was published by Cook & Compagno (1996) providing<br />

data on 36 elasmobranch species in markets and freshwater habitats of Sabah. At the<br />

completion of the formal survey of elasmobranchs from fish markets, and river and<br />

coastal villages throughout Sabah, conducted by the IUCN Shark Specialist Group (see<br />

Fowler et al., 1999), 69 species of elasmobranchs (34 sharks and 35 rays) were recorded, 23<br />

of which were new records for the state. Of particular note was the listing of new species<br />

of the river shark, genus Glyphis, and new species of Mustelus, Orectolobus and Rhynchobatus.<br />

A checklist of chondrichthyan fishes of all of Borneo was compiled at the same time,<br />

which included 82 species (40 sharks, 41 rays and 1 chimaera).<br />

Following on from this project (1999-2004), a primarily Malaysian led study of the<br />

chondrichthyans of Brunei and Malaysia, including Sabah and Sarawak, led to the


S h a r k s a n d R a y s o f B o r n e o<br />

collection of 760 specimens of 79 species, comprised of 43 sharks, 35 rays and one<br />

chimaera (Yano et al., 2005), but some of these species appear to be invalid. A new<br />

and valid species of catshark, Cephaloscyllium sarawakensis, was also described from this<br />

research.<br />

Figure 1 Map of Borneo showing the locations of landing sites and villages surveyed. The<br />

different landmass colours used correspond to the different countries making up Borneo:<br />

grey (Indonesia), green (Malaysia) and yellow (Brunei).


I n t r o d u c t i o n<br />

<br />

National Science Foundation project<br />

The Darwin project was followed by a more broad-based field project funded largely by<br />

the National Science Foundation (NSF) covering the whole of Borneo. In a multi-agency<br />

collaborative effort, involving parasite and elasmobranch taxonomists from institutions<br />

in the USA, Australia, Indonesia and Malaysia, this project focused on surveying and<br />

describing the chondrichthyans and their metazoan parasite faunas of inshore, estuarine<br />

and selected freshwater habitats. The project consisted of two phases: field surveys of<br />

Malaysian Borneo (2002–04) and Indonesian Kalimantan (2006–08) (Fig. 1). Earlier<br />

research suggested this region was home to well over 100 species of sharks and rays, many<br />

of which were poorly known, and some new to science. While records of metazoan<br />

parasites were virtually non-existent for elasmobranchs in this geographic region, based<br />

on studies elsewhere, it was predicted that the host fauna could yield over 500 parasite<br />

species with well over 70% new to science. In all, over 600 species of metazoan parasites,<br />

of which about 85% are new to science, were collected during the project.<br />

Several thousand elasmobranch specimens were examined from research and chartered<br />

fishing vessels, commercial trawlers, landing sites, and fish markets from around the<br />

island. In many cases, these specimens were documented with a series of digital photos.<br />

These images can be accessed via the elasmobranch host specimen database available<br />

at https://web2.uconn.edu/tapeworm/hosts.php. Tissue samples were taken from<br />

elasmobranch specimens whenever possible for subsequent DNA sequencing,<br />

comparative analysis and species validation. These sequences are being databased as part of<br />

a global elasmobranch sequence repository that will eventually serve as a baseline against<br />

which new elasmobranch records can be compared. The surveys led to the descriptions<br />

of an additional 9 new species, as well as specimens of endangered, rare or little known<br />

species, including the rediscovery of the Borneo Shark (Carcharhinus borneensis), once<br />

considered to be extinct. These baseline taxonomic data can be used to facilitate development<br />

of a resource management plan for elasmobranchs of the region. Several inshore<br />

species exhibit regional patterns in distribution that appear to be closely related to habitat<br />

availability. For example, several micro-endemic stingrays (genera Himantura and Pastinachus)<br />

occur in the environs of the large Kapuas River estuary in western Kalimantan, and<br />

the region has additional undocumented, extreme, intraspecific variability in some shark<br />

groups.<br />

Characteristics of the fauna<br />

The chondrichthyan fauna of Borneo presently contains 118 validated species, including<br />

52 sharks, 65 rays and 1 chimaera. The representation of the group at highest taxonomic<br />

levels (Table 1) is similar to regions adjacent (i.e. northwestern Australia, Philippines<br />

and Indonesia), but there are some differences in the relative importance of some<br />

subgroups. For example, ground sharks (Carcharhiniformes) and eagle rays and their allies<br />

(Myliobatoidei) are the dominant subgroups in each region comprising more than 20%<br />

of the species; the latter are more dominant in Borneo than any other region. Conversely,<br />

dogsharks (Squaliformes) and skates (Rajoidei) are relatively depauperate in Borneo and


S h a r k s a n d R a y s o f B o r n e o<br />

Table 1 Proportional species richness (%) of shark and ray groups across the region.<br />

Higher taxa<br />

NW Philippines Indonesia Borneo<br />

Australia<br />

Heterodontiformes 1 1 - 1<br />

Lamniformes 5 6 6 2<br />

Orectolobiformes 7 6 6 7<br />

Carcharhiniformes 31 32 33 31<br />

Hexanchiformes 2 2 2 1<br />

Squaliformes 12 10 10 2<br />

Squatiniformes 1 1 1 1<br />

Pristiphoriformes - 1 - -<br />

Pristoidei 3 2 1 3<br />

Rhinoidei 1 1 1 1<br />

Rhynchobatoidei 1 2 2 2<br />

Rhinobatoidei 2 3 4 2<br />

Platyrhinoidei - 1 - -<br />

Torpedinoidei 3 4 1 4<br />

Rajoidei 8 7 1 4<br />

Myliobatoidei 20 21 33 38<br />

Chimaeriformes 3 2 1 1<br />

TOTAL 179 164 139 118<br />

this may be due to the comparative paucity of deepwater habitats near the coast. Clearly<br />

the richest chondrichthyan families in all regions, the whaler sharks (Carcharhinidae)<br />

and stingrays (Dasyatidae), both attained the highest relative proportions of any fauna in<br />

Borneo (Table 2). Also, eagle rays (Myliobatidae) and devil rays (Mobulidae) are more<br />

diverse in this region than off Australia. Once again, deepwater subgroups, such as the<br />

gulper sharks (Centrophoridae), spurdogs (Squalidae) and lantern sharks (Etmopteridae),<br />

were absent from the ten main families.<br />

Shelf demersal species, comprising about 70% of the fauna, are more dominant in Borneo<br />

than in other regions (Table 3); conversely, the proportions of outer shelf and slope species<br />

are comparatively low. Freshwater and estuarine species comprise almost 7% of the fauna;<br />

by far the highest proportion of any region and this may be linked to the diversity of<br />

these habitats in the region.


I n t r o d u c t i o n<br />

<br />

Table 2 Comparative proportional species richness (>2%) of the major shark and ray<br />

families across the region.<br />

Family NW Australia Philippines Indonesia Borneo<br />

Carcharhinidae 16 15 19 24<br />

Dasyatidae 12 11 19 25<br />

Scyliorhinidae 8 7 4 4<br />

Rajidae 8 7 4<br />

Triakidae 4 4 4<br />

Orectolobidae 3<br />

Centrophoridae 3 4 5<br />

Etmopteridae 3<br />

Squalidae 3 4 4<br />

Urolophidae 3<br />

Pristidae 3 3<br />

Myliobatidae 4 4 4<br />

Mobulidae 4 4<br />

Rhinobatidae 4 3<br />

Sphyrnidae 3 3<br />

Hemigaleidae 3 3<br />

Narcinidae 3<br />

Hemiscylliidae 4<br />

Rhynchobatidae 3<br />

Aims of this book<br />

This international collaborative survey, funded largely by the National Science<br />

Foundation, has provided a fuller understanding of the biodiversity of chondrichthyans<br />

and their parasite faunas in one of the most faunally diverse parts of the planet. This work<br />

complements related research on parasites and their host faunas conducted elsewhere<br />

over the past 25 years, as well as similar regional surveys of the chondrichthyans of<br />

the Philippines and Indonesia. In the late 1990s, an elasmobranch biodiversity and<br />

conservation project in the Philippines, defined the fauna and produced conservation<br />

and management strategies to ensure sustainability of chondrichthyan fisheries in the<br />

environs of the nearby Sulu Sea. Soon after, an ACIAR-funded investigation of the<br />

chondrichthyans of Indonesia led to the production of the first regional guide to the<br />

sharks and rays of this region. Collectively, these studies have contributed greatly to an<br />

improved knowledge of the composition and distribution of these fishes in the Indo-<br />

Malay Archipelago.


S h a r k s a n d R a y s o f B o r n e o<br />

Table 3 Proportional species richness (%) for primary biomes across the region.<br />

Habitat type<br />

NW<br />

Australia<br />

Philippines Indonesia Borneo<br />

Freshwater/estuarine 2 - 1 7<br />

Continental/insular shelves 49 52 60 72<br />

Shelf to slope (demersal) 12 13 8 7<br />

Continental/insular slopes 24 18 14 3<br />

Shelf to oceanic (pelagic) 9 14 14 11<br />

Oceanic (pelagic) 2 1 3 1<br />

Wide ranging 1 1 1 -


How to use this book<br />

This book is designed to assist in the identification of sharks, rays and chimaeras that can<br />

be observed in fisheries catches or in domestic fish markets in the riverine, estuarine and<br />

marine regions of Borneo. This island includes both Indonesian and Malaysian landmass<br />

and contains the entire country of Brunei. Species included in this guide are mostly those<br />

observed in fish market surveys of Borneo, but include some additional species taken<br />

in other surveys (e.g. Yano et al., 2005) or species that have been observed by divers in<br />

the region (e.g. Silvertip Shark Carcharhinus albimarginatus, Tawny Nurse Shark Nebrius<br />

ferrugineus).<br />

A key is provided so that a specimen can be systematically identified to its family<br />

and genus group. Users can go straight to the relevant chapter when the family is<br />

already known. However, where users are in any doubt they should firstly refer to<br />

the key when making an identification. Species treatment sections follow the keys<br />

and these are <strong>org</strong>anised in phylogenetic sequence of families, commencing with the<br />

cowsharks (Hexanchidae) and finishing with chimaeras (Chimaeridae). Each major<br />

group of sharks or chimaeras is colour coded at the level of order, while each major<br />

group of rays is colour coded at the level of suborder. Species within each family are<br />

arranged in alphabetical order of their scientific names and undescribed species are arranged<br />

prior to nominal members of the same genus. Species accounts have been kept relatively<br />

simple, but the use of technical ichthyological terms is sometimes unavoidable and users<br />

can consult the illustrated glossary for a definition of these terms.<br />

Species treatments<br />

Details of the identifying features, size, distribution, habitat and biology, and utilisation<br />

are provided for each species under appropriate subheadings. Additional information on<br />

other names, synonyms, conservation status and relevant literature, as well as images and<br />

maps, are also provided.<br />

Images and illustrations<br />

The primary image for each species is usually of a specimen from Borneo. However, in<br />

some circumstances, when local images were unavailable, a suitable image from a nearby<br />

region was used. A list of the species for which images were sourced from outside of<br />

Borneo is provided on page 270.<br />

Additional photographs were used, where possible, to highlight identifying characteristics<br />

of a species that are not apparent from the primary image alone. When photographs were<br />

unavailable or unsuitable, line drawings were used.


10 S h a r k s a n d R a y s o f B o r n e o<br />

Common and scientific names<br />

The recommended common names generally follow English names adopted<br />

by Compagno et al. (2005a) for sharks, and Last & Stevens (2009) and the relevant<br />

sections in Carpenter & Niem (1999) for rays, with the exception of some species that<br />

have a more commonly accepted regional name. Newly recognised species have been<br />

give new common names. Alternative English, Indonesian and Malaysian names used in<br />

the Indo–Malay Archipelago are also given under ‘Other names’. Local common names<br />

are based on information gathered during this project, and from Yano et al. (2005) and<br />

White et al. (2006b).<br />

The scientific name of each species consists of genus and species names, the name of<br />

the author(s) who named it, and the year in which it was named. Parentheses around<br />

the author(s) and date indicate that the species was originally placed in a different genus.<br />

Species of uncertain identity are referred to by their generic name followed by ‘sp.’.<br />

Identifying features<br />

These include the main features by which a species can be most easily identified in the<br />

field, such as body and tooth shapes, fin positions and dimensions, and colour pattern. Each<br />

character is ordered numerically and the corresponding number is usually positioned on<br />

either the primary or secondary images to illustrate the feature or at least its location.<br />

Size<br />

Maximum size, and the sizes at birth, hatching and sexual maturity, is given for each<br />

species when known. Unless stated otherwise, all measurements refer to total lengths of<br />

species. In the case of sharks, total length is measured as a straight line from the tip of the<br />

snout to the tip of the extended upper caudal-fin lobe. Ray sizes are also given as total<br />

lengths, except in the families Dasyatidae, Gymnuridae, Myliobatidae, Rhinopteridae and<br />

Mobulidae, where the tail is frequently absent or damaged. For these groups the main size<br />

measurement is disc width (DW), taken from the extremities of the left and right pectoral<br />

fins. The caudal filament at the tail tip of chimaeras is not included in the total length;<br />

instead, the length measurement is taken at the posterior edge of the caudal fin.<br />

Distribution<br />

Maps show the distribution of each species in Borneo with specimen records marked<br />

by circles; red is used for distributions recorded during the present study, blue for other<br />

distributional data, and orange for unpublished data collected in Kalimantan by one of<br />

us (Fahmi). An asterix indicates the type locality for those species originally described<br />

from Borneo. These maps reflect current knowledge, but many species are probably more<br />

widely distributed in the region. River drainages are not shown on the maps so some<br />

distributional appear to be on land. Global distributional ranges for species and their<br />

ranges within Borneo are provided separately in the text.


H o w t o u s e t h i s b o o k<br />

11<br />

Habitat and biology<br />

This section covers basic information on the habitats (pelagic and oceanic, demersal on<br />

continental shelf, etc.) and depth distributions of species, and also on aspects of their<br />

reproductive biology, age and growth, their prey and, in some cases, their potential<br />

danger to humans.<br />

Utilisation<br />

This section briefly details the way species are used in Borneo, including what parts of the<br />

animals are used. In some cases it relates to use in nearby regions when the full extent of<br />

use in Borneo is unclear or unknown.<br />

Conservation status<br />

The current (at time of writing) IUCN Red List Threatened Species Assessment for<br />

each species is included here, along with any other relevant conservation assessment<br />

(e.g. CITES). For the IUCN Red List category, species that are listed as Vulnerable,<br />

Endangered or Critically Endangered, are considered as ‘threatened’ species by the IUCN.<br />

Local synonyms<br />

Any other scientific names used for a particular species are listed in this section, including<br />

junior synonyms, temporary names and misidentifications (names followed by a colon).<br />

Only alternative names used within the Coral Triangle area are listed in this section, i.e.<br />

Borneo, Indonesia, Malaysian Peninsular, Philippines and New Guinea. The literature<br />

sources of any temporary names or misidentifications are also provided, as well as<br />

misidentified images in field guides.<br />

References<br />

This section includes relevant literature sources used for species in the general region.<br />

Primary regional references covering a large proportion of Borneo species, such as<br />

Carpenter & Niem (1999), Compagno et al. (2005a), Yano et al. (2005), White et al.<br />

(2006b) and Last & Stevens (2009), are not referred to repeatedly. Similarly, several major<br />

biological references relevant to the region were also not referred to repeatedly, i.e. White<br />

(2007c) and White & Dharmadi (2007). The full citations of references can be found in<br />

the Reference section beginning on page 271.<br />

Indexes<br />

Indexes of scientific names, English common names, and Indonesian and Malaysian<br />

local names are provided on pages 283–298, and a checklist of species known from<br />

Borneo is provided on pages 277–282. In the checklist, authorities are sometimes<br />

abbreviated to improve the layout, e.g. M. & H. for Müller & Henle, Bl. & Sch. for Bloch<br />

& Schneider.


12 S h a r k s a n d R a y s o f B o r n e o<br />

Glossary<br />

acute – sharp or pointed.<br />

adelphophagy – method of embryonic nutrition where the embryo cannibalises other<br />

embryos within the uterus.<br />

adpressed – pressed flat against the body.<br />

alar thorns – paired patches of thorns on the outer disc of mature male skates.<br />

angular – forming a distinct angle.<br />

anterior – relating to front of or head end of an object.<br />

barbel – a slender, tentacle-like sensory structure on the head.<br />

benthic – living on the bottom of the ocean.<br />

benthopelagic – living above but near the bottom of the ocean.<br />

bilobate – having two lobes.<br />

blotch – an enlarged area or patch that is different in colour to adjacent areas.<br />

brackish – waters with a salinity between that of freshwater and saltwater.<br />

buccal – pertaining to the mouth cavity.<br />

bycatch – component of the catch excluding targeted commercial species.<br />

cartilage – a skeletal material consisting of a matrix of soft, white or translucent<br />

chondrin.<br />

caudal keel – a longitudinal fleshy ridge along side of the caudal peduncle.<br />

caudal peduncle – the posterior part of the body supporting the caudal fin.<br />

cephalic lobe – broad lobe on forehead of some rays.<br />

cephalopods – group of animals including cuttlefishes, nautili, squids and octopi.<br />

cetaceans – group of aquatic mammals including whales and dolphins.<br />

chevron – a V-shaped pattern of adjoining lines.<br />

chondrichthyans – group of fishes including sharks, rays and chimaeras.<br />

chondrin – a horny, gelatinous protein substance that forms the matrix of cartilage.<br />

circumglobal – distributed around the world within a certain latitudinal range.<br />

claspers – modified portions of pelvic fins in male chondrichthyans used for


G l o s s a r y 13<br />

transferring sperm to female during mating.<br />

cloaca – a common opening for digestive, urinary and reproductive tracts (also called<br />

vent).<br />

common name – the informal name for an animal, which often varies from place to<br />

place.<br />

compressed – flattened laterally from side to side.<br />

concave – curved inwards (opposite of convex)<br />

continental shelf – the shelf-like part of the seabed adjacent to the coast to a depth of<br />

about 200 m.<br />

continental slope – the typically steep, slope-like part of seabed bordering the<br />

continental shelf to a depth of about 2000 m.<br />

convex – arched, curved outwards (opposite of concave).<br />

cosmopolitan – having a worldwide distribution.<br />

crenulate – margin shaped into small rounded scallops.<br />

crescentic – shaped like the new moon (roughly C-shaped).<br />

crustaceans – group of invertebrate animals including crabs, shrimps, prawns, lobsters<br />

and crayfish.<br />

cusp – a projection on a tooth.<br />

cusplet – a small cusp.<br />

demersal – living on or near the bottom of the ocean.<br />

denticle – a small, tooth-like structure; plate-like scale of a cartilaginous fish.<br />

depressed – dorsoventrally flattened from top to bottom.<br />

depth – height of body or head from top to bottom; also distance from sea surface to<br />

the bottom.<br />

dermal – relating to the skin.<br />

dermal flaps – outgrowths of skin.<br />

disc – the combined head, trunk and enlarged pectoral fins of those cartilaginous fishes<br />

with depressed bodies, e.g. stingrays.<br />

distal – region, border or point remote from the site of attachment (opposite of<br />

proximal).


14 S h a r k s a n d R a y s o f B o r n e o<br />

dorsal – relating to upper part or surface of back.<br />

dorsolateral – positioned or orientated between dorsal and lateral surfaces.<br />

dusky – slightly dark or greyish in colour.<br />

elasmobranchs – group of fishes including sharks and rays.<br />

electric <strong>org</strong>an – <strong>org</strong>an capable of delivering a mild electric shock.<br />

elongate – extended in length in relation to another object or drawn out.<br />

embedded – within surrounding tissue.<br />

endemic – native and restricted to a certain area.<br />

epipelagic – upper part of the oceanic zone from the surface to about 200 m.<br />

estuarine – living mainly in estuaries.<br />

falcate – curved like a sickle.<br />

family – a group term for classifying <strong>org</strong>anisms, containing one or more closely related<br />

genera.<br />

fauna – the communities of animals in an area.<br />

fertilisation – the union of male and female cells to form a new individual.<br />

filter feeding – filtering food particles from the water by means of the gill rakers.<br />

fusiform – spindle-shaped, tapering at both ends.<br />

genus – a group term for classifying <strong>org</strong>anisms, containing one or more related species.<br />

gestation – the period of development in the uterus from conception until birth.<br />

gillnet – a net used to tangle fishes.<br />

gill opening – an opening (usually slit-like in cartilaginous fishes) on head that<br />

connects the gill chamber to the exterior.<br />

granulations – fine denticles.<br />

habitat – the locality with its own particular environment in which an <strong>org</strong>anism lives.<br />

hammer-shaped – shaped with paired lateral expansions, like the head of a mallet.<br />

head – specialised anterior part of an animal on which the mouth and major sensory<br />

<strong>org</strong>ans are located; part other than body and tail.<br />

head clasper – small appendage on the forehead of mature male chimaeroid fishes.


G l o s s a r y 15<br />

histotrophy – form of embryonic nutrition where the developing embryos receive a<br />

lipid-rich histotroph, or uterine milk, usually delivered through extensions of the<br />

uterine wall called trophonemata.<br />

holotype – the specimen used in the original description of a species.<br />

hyomandibular pores – line of enlarged pores extending posteriorly from the mouth<br />

corners.<br />

infraorbital – area below the eye.<br />

interdorsal – space on dorsal surface between 1 st and 2 nd dorsal fins.<br />

interdorsal ridge – ridge of skin between dorsal fins.<br />

internarial space – distance between the nostrils.<br />

internasal flap – fleshy flap extending between nostrils, sometimes partly covering the<br />

mouth.<br />

interorbital space – area on top of head between eyes.<br />

jaws – part of mouth supporting teeth.<br />

juvenile – young fish, similar in form to adults but not yet sexually mature.<br />

keel – a fleshy ridge.<br />

lateral – referring to the sides.<br />

lateral-line canal – part of the sensory network of chimaeras; appearing as a distinct<br />

line.<br />

lateral ridges – fleshy expansions on sides of body.<br />

life cycle – the generalised history of a species from birth to death.<br />

lip – fleshy outer portion of jaws.<br />

longitudinal – lengthwise (opposite of transverse).<br />

longline – a fishing line bearing numerous baited hooks, typically set horizontally in<br />

water column.<br />

lunate – shaped like a crescent moon.<br />

margin – edge or rim.<br />

median – relating to the middle of an object.<br />

mesopelagic – living in open ocean at depths between 200 and 1000 m.


16 S h a r k s a n d R a y s o f B o r n e o<br />

mouth – opening through which food enters the alimentary canal.<br />

mucous canal – part of the sensory network of the head of chimaeras.<br />

multicuspid – a tooth or denticle with several cusps.<br />

nape – region of head above and behind eyes.<br />

nasal curtain – see internasal flap.<br />

nasoral grooves – furrow connecting mouth to the nostrils.<br />

nektonic – swimming <strong>org</strong>anisms capable of moving against a current and thus not<br />

only drifting.<br />

nictitating eyelid – a transparent, moveable membrane or inner eyelid that protects<br />

eye.<br />

nomenclature – the systematic naming of animals and plants.<br />

nostril – external opening of the nasal <strong>org</strong>ans.<br />

nuchal – pertaining to the nape.<br />

obtuse – broadly rounded or having a blunt end.<br />

oceanic – living in the open ocean.<br />

ocellus (pl. ocelli) – an eye-like spot or marking with a marginal ring.<br />

ocular – relating to the eye.<br />

oophagy – method of matrotrophic embryonic nutrition in viviparous species where<br />

the embryo feeds on unfertilised eggs in the uterus.<br />

oral – relating to the mouth.<br />

orbit – bony cavity in skull where eyeball is housed.<br />

oviparous – producing eggs that hatch after being deposited from the body of a<br />

pregnant female.<br />

papillae – a small fleshy projection.<br />

parasitic – living and feeding in or on another <strong>org</strong>anism to the detriment of that<br />

<strong>org</strong>anism.<br />

pearl thorn – nuchal thorn of stingrays shaped like an embedded pearl.<br />

pedicel – small stalk, usually of a denticle.<br />

pelagic – free-swimming in the seas, oceans or open water and not associated with the<br />

bottom.


G l o s s a r y 17<br />

plain – uniformly coloured, without a contrasting colour pattern.<br />

placental - method of matrotrophic embryonic nutrition in viviparous species where<br />

nutrients are transferred across the mother’s uterine epithelium, which is intimately<br />

connected with foetal tissue (placenta).<br />

plankton – small animals or plants that drift in open water.<br />

population – a biological unit that represents the individuals of a species living in a<br />

certain area.<br />

pore – small secretory or sensory opening.<br />

posterior – relating to hind of or rear end of an object.<br />

precaudal pit – a transverse or longitudinal notch on caudal peduncle just anterior to<br />

origin of caudal fin in some sharks.<br />

predator – feeding on other animals.<br />

pre-pelvic clasper – small, retractable appendages on each side just forward of the<br />

pelvic fins in mature male chimaeroid fishes.<br />

preorbital – before (anterior to) the eye.<br />

purse seine – a fishing net used to encircle surface-dwelling fish and land onto a boat.<br />

quadrangular – shaped with four distinct edges or marigns.<br />

reticulated – divided into a network.<br />

reticulations – markings in a general form of a net.<br />

rhomboidal – diamond-shaped.<br />

rostral cartilage – a gristly structure supporting the snout.<br />

rostral teeth – tooth-like projections on the sides of the snout of sawfishes and sawsharks.<br />

rostrum (adj. rostral) – a projecting snout.<br />

rounded – margin evenly convex.<br />

saddle – a blotch extending across dorsal surface from one side to another.<br />

salinity – the concentration of salt in water.<br />

school – a close aggregation of fish swimming in association with each other.<br />

scientific name – the formal binomial name of an <strong>org</strong>anism consisting of the genus<br />

and species names; only one valid scientific name exists per species.


18 S h a r k s a n d R a y s o f B o r n e o<br />

scythe-like – shaped like a scythe; long and narrowly curved.<br />

seine – a fishing net that hangs vertically in water column and encircles fish when its<br />

ends are drawn together.<br />

serrate – saw-like.<br />

snout – part of head in front of eyes.<br />

species – actually or potentially inter-breeding populations that are reproductively<br />

isolated from other populations.<br />

spine – a sharp projecting point.<br />

spiracle – a respiratory opening behind the eye in sharks and rays.<br />

spiracular fold – fold of skin present on the hind margin of the spiracular opening in<br />

some ray species.<br />

spot – a regularly shaped or rounded area of a colour different to adjacent areas.<br />

squalene – oil produced from the liver of some sharks.<br />

stellate – star-shaped.<br />

stinging spine – large, serrated bony structure on the tail of some rays.<br />

stripe – a contrasting longitudinal pattern in the form of a line.<br />

subcircular – almost circular.<br />

subequal – almost equal.<br />

substrate – the substance forming the bottom of the sea or ocean.<br />

subterminal – positioned near but not at end of an object.<br />

supraorbital crests – enlarged ridges above the eyes.<br />

sympatric – living together in the same geographic area.<br />

symphysis (adj. symphysial) – relating to medial junction of either the upper or lower<br />

jaw.<br />

synonym (adj. synonymous) – each of two or more scientific names of the same rank<br />

used to denote the same taxon.<br />

tail – part of fish between cloaca and origin of the caudal fin.<br />

taxono<strong>my</strong> – the science of classification of plants and animals.<br />

taxon – any formal taxonomic unit or category of <strong>org</strong>anisms (genus, species, etc.)


G l o s s a r y 19<br />

teeth – hard outgrowths on jaws, used for biting and masticating food.<br />

teleost – large group containing most bony fishes.<br />

tendril – a slender, curling barbel.<br />

terminal – located at or forming the end of something.<br />

thorn – large denticles on surface of a ray or skate.<br />

tip – the extremity of a part of a fish.<br />

tooth rows – horizontal rows of teeth in the jaws.<br />

total length – longest length of a fish, from snout tip to upper caudal tip or tail tip.<br />

trammel net – a three layered fishing net used for entangling fish.<br />

transverse – directed crosswise, across width (opposite of longitudinal).<br />

trawl net – fishing net which is dragged behind a boat.<br />

tricuspid tooth – tooth with 3 cusps.<br />

trunk – part of fish between head and tail; between fifth gill slit and cloaca.<br />

ventral – relating to the lower part or surface.<br />

vertebrate – animal having a vertebral column or backbone.<br />

viviparous – producing live young from within the body of the parent female.


20 S h a r k s a n d R a y s o f B o r n e o<br />

anterior<br />

eye<br />

spiracle<br />

snout tip<br />

gill opening<br />

dorsal-fin spine<br />

1 st dorsal fin<br />

2 nd dorsal fin<br />

precaudal pit<br />

posterior<br />

nostril<br />

mouth<br />

labial furrows<br />

pelvic fin anal fin<br />

caudal keel<br />

clasper (males)<br />

caudal fin<br />

structural features of sharks<br />

pectoral fin<br />

anterior margin<br />

apex<br />

spine<br />

posterior margin<br />

origin<br />

lobe<br />

free rear tip<br />

insertion<br />

inner margin<br />

shark dorsal fin<br />

barbel<br />

circumnarial groove<br />

nostril<br />

circumnarial fold<br />

oronasal groove<br />

upper labial furrow<br />

mouth<br />

symphysial groove<br />

lower labial furrow<br />

shark undersurface of head


G l o s s a r y 21<br />

upper origin<br />

dorsal margin<br />

upper lobe<br />

terminal lobe<br />

posterior tip<br />

terminal margin<br />

subterminal margin<br />

caudal fork<br />

subterminal notch<br />

upper postventral margin<br />

lower origin<br />

lower postventral margin<br />

shark caudal fin<br />

preventral margin<br />

lower lobe<br />

ventral tip<br />

ventral<br />

dorsal<br />

internasal flap<br />

mouth<br />

gill opening<br />

spiracle<br />

eye<br />

rostral cartilage<br />

shoulder<br />

pectoral fin<br />

cloaca<br />

pectoral fin insertion<br />

thorn<br />

pelvic fin<br />

caudal fin<br />

lateral tail fold<br />

clasper<br />

(male)<br />

2 nd dorsal fin<br />

1 st dorsal fin stinging spine<br />

structural features of rays


22 S h a r k s a n d R a y s o f B o r n e o<br />

nostril<br />

lobes<br />

internasal flap<br />

fringe<br />

papillae<br />

mouth<br />

ray nostrils and mouth (oronasal)<br />

enlarged thorn<br />

stinging spine<br />

dorsal fold<br />

thorn<br />

granulations<br />

ventral fold<br />

ray tail<br />

head clasper (male)<br />

spine<br />

1 st dorsal fin<br />

lateral line<br />

mucous canal<br />

eye<br />

2 nd dorsal fin<br />

caudal-fin<br />

upper lobe<br />

mouth<br />

gill opening<br />

pre-pelvic<br />

clasper (male)<br />

clasper<br />

(male)<br />

anal fin<br />

caudal filament<br />

caudal-fin<br />

lower lobe<br />

pectoral fin<br />

pelvic fin<br />

structural features of chimaerids


R u n n i n g h e a d 23<br />

Key to families and genera<br />

1. Single gill opening on each side of head<br />

(fig. 1) ..................................................<br />

............ Family Chimaeridae, Chimaeras<br />

fig. 1; 266<br />

5–7 gill openings on each side of head<br />

........................................................... 2<br />

fig. 1<br />

2. Body flattened, ray-like; gill openings on<br />

undersurface of head (except in Angel<br />

<strong>Sharks</strong>) ..................................................... 3<br />

Body more or less fusiform, shark-like;<br />

gill openings on sides of head ........... 17<br />

3. Gill openings partly on sides of head<br />

(fig. 2); pectoral fins very large, clearly<br />

detached from head (fig. 2) .................<br />

......... Family Squatinidae, Angel <strong>Sharks</strong><br />

fig. 3; 42<br />

Gill openings entirely on undersurface<br />

of head; pectoral fins wholly or partly<br />

joined to head .................................... 4<br />

4. Snout saw-like, flattened, armed with<br />

lateral teeth (fig. 4) .................................<br />

..................... Family Pristidae, Sawfishes<br />

Rostral teeth absent from basal quarter<br />

of saw (fig. 4); lower lobe of caudal fin<br />

large, more than half length of upper<br />

lobe (fig. 4) .......................... Anoxypristis<br />

fig. 4; 140<br />

Rostral teeth extending onto basal quarter<br />

of saw, almost to its base (fig. 5); lower<br />

lobe of caudal fin small, less than half<br />

length of upper lobe (fig. 5) .......... Pristis<br />

fig. 5; 142<br />

Snout not saw-like, no rostral teeth .... 5<br />

fig. 2<br />

fig. 3<br />

fig. 4<br />

fig. 5


24 S h a r k s a n d R a y s o f B o r n e o<br />

5. Two prominent dorsal fins (fig. 6); 1 st<br />

dorsal fin originating closer to insertion<br />

of pelvic fins than to tail tip (fig. 6) ...... 6<br />

0–2 dorsal fins; 1 st dorsal fin originating<br />

closer to tail tip than to insertion of pelvic<br />

fins when 2 fins are present (fig. 7) ..... 10<br />

6. Caudal fin with a well developed<br />

ventral lobe (fig. 8); pectoral and pelvic<br />

fins separated slightly, not touching<br />

(fig. 8) .............................................. 7<br />

Ventral lobe of caudal fin not prominent<br />

(fig. 6); pectoral and pelvic fins touching<br />

or overlapping (fig. 6) ........................ 8<br />

7. Head triangular (fig. 8); upper disc with<br />

small thorns; two spiracular folds .......<br />

.... Family Rhynchobatidae, Wedgefishes<br />

fig. 8; 148<br />

Head broadly rounded (fig. 9); upper<br />

disc with ridges lined with large thorns;<br />

no spiracular folds .................................<br />

................ Family Rhinidae, Shark Rays<br />

fig. 9; 146<br />

8. Snout triangular, forming an acute angle<br />

at tip (fig. 10); body surface rough with<br />

thorns or fine denticles; no electric<br />

<strong>org</strong>ans ...................................................<br />

... Family Rhinobatidae, Shovelnose Rays<br />

Anterior nasal aperture almost rectangular,<br />

very large (fig. 11); snout length more than<br />

5 times eye diameter .............Glaucostegus<br />

fig. 10; 154<br />

Anterior nasal aperture almost circular,<br />

relatively smaller (fig. 12); snout length less<br />

than 5 times eye diameter ........ Rhinobatos<br />

fig. 13; 158<br />

Snout broadly rounded (fig. 14); body<br />

surface entirely smooth; electric <strong>org</strong>ans<br />

present ................................................ 9<br />

fig. 6<br />

fig. 7<br />

fig. 8<br />

fig. 9<br />

fig. 10<br />

fig. 11 fig. 12<br />

fig. 13


K e y t o f a m i l i e s a n d g e n e r a 25<br />

9. 2 dorsal fins present (fig. 14); a deep<br />

groove around mouth; teeth extending<br />

onto outer surfaces of upper and lower<br />

jaws in most species ...............................<br />

............. Family Narcinidae, Numbfishes<br />

fig. 14; 160<br />

0–1 dorsal fins present (figs 15 and 16);<br />

a shallow groove around mouth; teeth<br />

not extending onto outer surfaces of<br />

upper and lower jaws in most species<br />

............... Family Narkidae, Sleeper Rays<br />

No dorsal fins present (fig. 15) ....... Temera<br />

fig. 15; 168<br />

One dorsal fin present (fig. 16) ...... Narke<br />

fig. 16; 166<br />

10. Pelvic fin divided into two distinct lobes<br />

(fig. 17); no enlarged stinging spine on tail<br />

......................................................... 11<br />

Pelvic fin with only one lobe (fig. 18);<br />

usually with 1 or more enlarged, serrated<br />

stinging spines (scar visible when spine<br />

absent) .............................................. 12<br />

11. Entire dorsal surface smooth (except<br />

for alar thorns of male); preorbital snout<br />

more than 8 times eye diameter (fig. 19);<br />

tail very short and thin, without dorsal<br />

fins (fig. 19) ..........................................<br />

..... Family Anacanthobatidae, Leg Skates<br />

fig. 19; 178<br />

Thorns or fine denticles present on dorsal<br />

surface; preorbital snout much less than 8<br />

times eye diameter (fig. 20); tail slender<br />

(but not filamentous), with 2 dorsal fins<br />

when undamaged (fig. 20) .....................<br />

........................... Family Rajidae, Skates<br />

fig. 20; 170<br />

12. Anterior part of head not extending<br />

forward beyond disc (fig. 21); eyes located<br />

fig. 14<br />

fig. 15<br />

fig. 16<br />

fig. 17 fig. 18<br />

fig. 19<br />

fig. 20


26 S h a r k s a n d R a y s o f B o r n e o<br />

dorsally and well inward from disc margin<br />

(fig. 21) ............................................ 13<br />

Anterior part of head extending forward<br />

beyond disc (fig. 22); eyes located laterally<br />

on side of head (fig. 22) ...................... 15<br />

13. Disc very broad, width more than 1.5<br />

times length (fig. 23); tail very short and<br />

filamentous (fig. 23) ..............................<br />

...... Family Gymnuridae, Butterfly Rays<br />

fig. 23; 238<br />

Disc narrower, width less than 1.5 times<br />

length; tail much longer and thicker ....<br />

........................................................ 14<br />

14. Caudal fin present (fig. 24); no thorns or<br />

tubercles on disc or tail .........................<br />

... Family Plesiobatidae, Giant Stingarees<br />

fig. 24; 180<br />

Caudal fin absent; central disc and dorsal<br />

surface of tail normally with some<br />

thorns or tubercles .................................<br />

................... Family Dasyatidae, Stingrays<br />

a. No skin folds on tail; base of tail narrow<br />

and typically rounded to slightly<br />

compressed in cross-section (fig. 25) ..... b<br />

Skin folds present on undersurface of<br />

tail, and sometimes on dorsal surface<br />

after sting; base of tail relatively broad,<br />

distinctly depressed (fig. 26) .................. c<br />

b. No stinging spine; many long, sharp<br />

thorns over entire disc ............ Urogymnus<br />

fig. 27; 236<br />

One or more stinging spines on tail<br />

(if lost, scar visible); no long, sharp<br />

thorns present over sides of disc<br />

(sometimes with low thorns near<br />

midline of disc) .................... Himantura<br />

fig. 28; 190<br />

fig. 21 fig. 22<br />

fig. 23<br />

fig. 24<br />

fig. 25 fig. 26<br />

fig. 27<br />

fig. 28<br />

c. Disc oval or subcircular; ventral skin fold<br />

tall, extending to tail tip ..................... d


K e y t o f a m i l i e s a n d g e n e r a 27<br />

Disc more or less quadrangular; ventral<br />

skin fold terminating well before tail tip<br />

when undamaged ................................ e<br />

d. Disc oval (fig. 29); dorsal surface with<br />

numerous blue spots over a brownish<br />

background (fig. 29); tail with a blue<br />

stripe along each side ................ Taeniura<br />

fig. 29; 232<br />

Disc subcircular (fig. 30); dorsal surface<br />

with fine black and white mottling (fig.<br />

30); no blue spots or stripes on body or<br />

tail ......................................... Taeniurops<br />

fig. 30; 234<br />

e. Anterior margin of disc uniformly<br />

convex (fig. 31); ventral surface dark<br />

greyish ........................... Pteroplatytrygon<br />

fig. 31; 230<br />

Anterior margin of disc angular (fig. 32);<br />

ventral surface mostly pale .................... f<br />

f. Distance from cloaca to stinging spine<br />

exceeding half of disc width; ventral skin<br />

fold relatively tall, its maximum height<br />

equal to or exceeding spiracle length ......<br />

............................................. Pastinachus<br />

fig. 32; 222<br />

Distance from cloaca to stinging spine<br />

less than half of disc width; ventral skin<br />

fold relatively low, its maximum height<br />

much less than spiracle length .............. g<br />

g. Tail banded black and white behind sting<br />

(fig. 33); blue-spotted with dark transverse<br />

band through eyes (fig. 33) ....... Neotrygon<br />

fig. 33; 220<br />

Tail not banded beyond sting (fig. 34); not<br />

blue-spotted and without dark transverse<br />

band through eyes (fig. 34) ......... Dasyatis<br />

fig. 34; 182<br />

15. A pair of long, paddle-like flaps<br />

situated laterally on front of head<br />

(fig. 35); teeth minute, in many rows<br />

................. Family Mobulidae, Devilrays<br />

fig. 30<br />

fig. 32<br />

fig. 34<br />

fig. 31<br />

fig. 29<br />

fig. 33


28 S h a r k s a n d R a y s o f B o r n e o<br />

Mouth terminal, located at end of snout<br />

tip ............................................... Manta<br />

fig. 35; 256<br />

Mouth subterminal, located on undersurface<br />

of head .......................... Mobula<br />

fig. 36; 258<br />

fig. 35<br />

No lateral, paddle-like processes on head,<br />

instead with a pair of broadly rounded<br />

lobes (fig. 37) or a single, fleshy subrostral<br />

lobe (fig. 38); teeth large and plate-like,<br />

fewer than 10 rows in each jaw ......... 16<br />

16. Margin of subrostral lobe with a deep<br />

central notch (fig. 37); floor of mouth<br />

without papillae ....................................<br />

... Family Rhinopteridae, Cownose Rays<br />

fig. 37; 252<br />

Margin of subrostral lobe rounded (fig.<br />

38); floor of mouth with fleshy papillae<br />

.......... Family Myliobatidae, Eagle Rays<br />

Posterior margin of internasal flap<br />

deeply notched (inverted V-shape) (fig.<br />

39); teeth in a single row in each jaw<br />

............................................... Aetobatus<br />

fig. 38; 242<br />

Posterior margin of internasal flap almost<br />

straight or only undulating slightly<br />

(fig. 40); teeth in more than one row in<br />

each jaw ............................. Aeto<strong>my</strong>laeus<br />

fig. 41; 246<br />

17. A single dorsal fin (fig. 42); 6 or 7 gill<br />

openings on each side of head (fig. 42)<br />

............ Family Hexanchidae, Cowsharks<br />

fig. 42; 36<br />

fig. 36<br />

fig. 37<br />

fig. 38<br />

fig. 39 fig. 40<br />

fig. 41<br />

2 dorsal fins; 5 gill openings on each<br />

side of head ..................................... 18<br />

18. Anal fin absent ................................ 19<br />

Anal fin present, sometimes small or<br />

fig. 42


K e y t o f a m i l i e s a n d g e n e r a 29<br />

obscure (situated close to caudal fin) ... 20<br />

19. Teeth in both jaws similar in shape and<br />

size (fig. 44); no subterminal notch on<br />

caudal fin (fig. 43) ...............................<br />

................... Family Squalidae, Dogfishes<br />

fig. 43; 38<br />

Teeth in upper jaw differing in shape<br />

and/or size to those of lower jaw (fig. 45);<br />

strong subterminal notch present<br />

(fig. 46) .................................................<br />

... Family Centrophoridae, Gulper <strong>Sharks</strong><br />

fig. 46; 40<br />

20. Head very broad, hammer-shaped, with<br />

very widely separated eyes (fig. 47) ........<br />

Family Sphyrnidae, Hammerhead <strong>Sharks</strong><br />

Lateral blades of head very broad, narrow<br />

and wing-like; width of head close to<br />

half of total length ................... Eusphyra<br />

fig. 47; 134<br />

Lateral blades of head much shorter and<br />

not wing-like; width of head less than<br />

40% of total length .................... Sphyrna<br />

fig. 48; 136<br />

fig. 43<br />

fig. 44 fig. 45<br />

fig. 46<br />

fig. 47<br />

Head much narrower, not hammershaped<br />

.............................................. 21<br />

21. Upper caudal-fin lobe equal to or longer<br />

than half total length (fig. 49); body<br />

without spots or bands ..........................<br />

....... ..Family Alopiidae, Thresher <strong>Sharks</strong><br />

fig. 49; 62<br />

Upper caudal-fin lobe much shorter<br />

than half total length (caudal fin also<br />

long in Zebra <strong>Sharks</strong> but their body<br />

spotted and/or banded) ................... 22<br />

22. Dorsal-fin spines present (fig. 50); medium<br />

to tall crest over eye (fig. 50) ..................<br />

fig. 48<br />

fig. 50<br />

fig. 49


30 S h a r k s a n d R a y s o f B o r n e o<br />

....... Family Heterodontidae, Hornsharks<br />

fig. 50; 44<br />

Dorsal-fin spines absent; no crest over<br />

eye ................................................... 23<br />

23. Whole mouth forward of front margin<br />

of eye (fig. 51) ................................... 24<br />

Mouth partly beneath or behind front<br />

margin of eye (fig. 52) ....................... 28<br />

fig. 51<br />

fig. 52<br />

24. Mouth very broad, terminal; caudal fin<br />

forked (fig. 53) .......................................<br />

... Family Rhincodontidae, Whale <strong>Sharks</strong><br />

fig. 53; 60<br />

Mouth smaller, subterminal; caudal fin<br />

not forked ...................................... 25<br />

fig. 53<br />

25. No fleshy lobe or groove on outer<br />

margin of nostril (fig. 54) .................. 26<br />

Fleshy lobe and groove present on outer<br />

margin of nostril (fig. 55) ................ 27<br />

26. Caudal fin very long, about equal to<br />

trunk length (fig. 56); ridges present along<br />

sides of body (fig. 56) ...........................<br />

... Family Stegostomatidae, Zebra <strong>Sharks</strong><br />

fig. 56; 58<br />

Caudal fin shorter, less than half trunk<br />

length (fig. 57); no ridges on body<br />

(fig. 57) ..... Family Ginglymostomatidae,<br />

Nurse <strong>Sharks</strong><br />

fig. 57; 56<br />

fig. 57<br />

fig. 54 fig. 55<br />

fig. 56<br />

27. Head and body strongly depressed<br />

(fig. 58); skin flaps present on sides of<br />

head (fig. 58) .........................................<br />

....... Family Orectolobidae, Wobbegongs<br />

fig. 58; 46<br />

Head and body cylindrical (fig. 59); no<br />

skin flaps on sides of head (fig. 59) ........<br />

fig. 59<br />

fig. 58


K e y t o f a m i l i e s a n d g e n e r a 31<br />

.......................... Family Hemiscylliidae,<br />

Longtail Carpetsharks<br />

fig. 59; 48<br />

28. Caudal fin almost symmetrical, lunate<br />

(fig. 60); a strong keel on either side of<br />

caudal peduncle (fig. 60) .......................<br />

........ Family Lamnidae, Mackerel <strong>Sharks</strong><br />

fig. 60; 64<br />

Caudal fin asymmetrical, heterocercal<br />

(fig. 61); caudal-peduncle keel either low<br />

or absent (fig. 61) ............................... 29<br />

29. 1 st dorsal-fin origin behind pelvic-fin<br />

origin ... Family Scyliorhinidae, Catsharks<br />

fig. 60<br />

fig. 61<br />

a. Upper labial furrows very long, more<br />

than 3 times spiracle diameter, mostly<br />

extending to level of front of eye (fig. 62)<br />

........................................................... b<br />

Upper labial furrows much shorter or<br />

rudimentary, when present much less than<br />

3 times spiracle diameter, never extending<br />

to level of front of eye (fig. 63) ............ c<br />

b. Anterior nasal flaps greatly expanded,<br />

reaching mouth (fig. 65); nasoral grooves<br />

present ............................... Atelo<strong>my</strong>cterus<br />

fig. 64; 68<br />

Anterior nasal flaps much shorter, smaller<br />

than nostrils, not reaching mouth (fig. 66);<br />

nasoral grooves absent ............. Apristurus<br />

fig. 67; 66<br />

c. 2 nd dorsal fin much smaller than 1 st<br />

dorsal fin (fig. 68); origin of 2 nd dorsal<br />

fin only slightly behind origin of anal fin<br />

(fig. 68); stomach inflatable ....................<br />

....................................... Cephaloscyllium<br />

fig. 68; 70<br />

Dorsal fins about equal in size (fig.<br />

69); origin of 2 nd dorsal fin behind<br />

midbase of anal fin (fig. 69); stomach not<br />

inflatable ................................ Halaelurus<br />

fig. 69; 72<br />

fig. 62 fig. 63<br />

fig. 64<br />

fig. 65 fig. 66<br />

fig. 67<br />

fig. 68<br />

fig. 69


32 S h a r k s a n d R a y s o f B o r n e o<br />

1 st dorsal-fin origin well in front of<br />

pelvic-fin base .................................. 30<br />

30. Precaudal pits absent (fig. 71); anterior<br />

margin of caudal fin smooth (fig. 71)<br />

............ Family Triakidae, Hound <strong>Sharks</strong><br />

fig. 70; 74<br />

Precaudal pits present (fig. 72); anterior<br />

margin of caudal fin usually rippled<br />

(fig. 72) ............................................ 31<br />

31. Spiracles present; posterior margin of<br />

2 nd dorsal fin deeply concave; intestine<br />

with spiral valves (fig. 73) ......................<br />

...... Family Hemigaleidae, Weasel <strong>Sharks</strong><br />

a. Lower teeth near symphysis with short,<br />

straight or weakly hooked cusps (fig. 74)<br />

that are concealed when mouth closed;<br />

gill slits small, less than twice eye length .. b<br />

Lower teeth near symphysis with long,<br />

strongly hooked cusps (fig. 75) that<br />

prominently protrude from mouth when<br />

closed; gill slits large, more than twice eye<br />

length ................................................. c<br />

b. Pelvic, dorsal and caudal fins not falcate<br />

(fig. 76); mouth long, narrowly arched;<br />

lower teeth near symphysis with erect<br />

cusps and slightly arched roots; cusplets<br />

present on lower teeth……….. Paragaleus<br />

fig. 76; 84<br />

Pelvic, dorsal and caudal fins strongly<br />

falcate (fig. 77); mouth very short, broadly<br />

arched; lower teeth near symphysis with<br />

erect cusps and highly arched roots; no<br />

cusplets on lower teeth ........... Hemigaleus<br />

fig. 77; 80<br />

c. Snout obtusely wedge-shaped in dorsoventral<br />

view; fins not falcate, posterior<br />

margins of pelvic and pectoral fins<br />

straight or slightly concave (fig. 78) .......<br />

.......................................... Chaenogaleus<br />

fig. 78; 78<br />

fig. 70<br />

fig. 71 fig. 72<br />

fig. 73<br />

fig. 74 fig. 75<br />

fig. 76<br />

fig. 77<br />

fig. 78


K e y t o f a m i l i e s a n d g e n e r a 33<br />

Snout bluntly rounded in dorsoventral<br />

view; fins strongly falcate, posterior<br />

margins of pelvic and pectoral fins deeply<br />

concave (fig. 79) ................... Hemipristis<br />

fig. 79; 82<br />

Spiracles absent (except in Tiger Shark);<br />

posterior margin of 2 nd dorsal fin not<br />

deeply concave; intestine with a scroll<br />

valve (fig. 80) ........................................<br />

... Family Carcharhinidae, <strong>Whaler</strong> <strong>Sharks</strong><br />

a. Caudal peduncle with lateral keels<br />

(fig. 81); spiracles present; upper labial<br />

furrows, reaching forward to front of eyes;<br />

teeth cockscomb-shaped (fig. 82)...........<br />

.............................................. Galeocerdo<br />

fig. 83; 114<br />

Caudal peduncle without lateral keels<br />

(weak ones present in Prionace); spiracles<br />

absent; upper labial furrows short, never<br />

reaching forward to in front of eyes;<br />

teeth not cockscomb-shaped .............. b<br />

b. 2 nd dorsal fin half or more height of 1 st<br />

dorsal fin ............................................ c<br />

2 nd dorsal fin less than half height of 1 st<br />

dorsal fin ............................................ e<br />

c. 1 st dorsal and upper caudal fin with<br />

distinct white tips (fig. 84); teeth with a<br />

single cusp and lateral cusplets (fig. 85) ...<br />

.............................................. Triaenodon<br />

fig. 84; 132<br />

1 st dorsal and upper caudal fin without<br />

obvious white tips; teeth with a single<br />

cusp and no lateral cusplets (fig. 86) ...... d<br />

d. 2 nd dorsal fin nearly as large as 1 st dorsal<br />

fin (fig. 87) ............................... Lamiopsis<br />

fig. 87; 120<br />

2 nd dorsal fin half to two thirds height of<br />

1 st dorsal fin (fig. 88) .................. Glyphis<br />

fig. 88; 116<br />

e. Head greatly depressed and trowelshaped<br />

(fig. 89); pectoral fins triangular<br />

fig. 79<br />

fig. 80<br />

fig. 81<br />

fig. 83<br />

fig. 84<br />

fig. 87<br />

fig. 88<br />

fig. 82<br />

fig. 85 fig. 86


34 S h a r k s a n d R a y s o f B o r n e o<br />

(fig. 89); 1 st dorsal-fin free rear tip<br />

almost over mid-base of pelvic fin<br />

(fig. 89) .................................. Scoliodon<br />

fig. 89; 130<br />

Head varying from conical to slightly<br />

depressed; pectoral fins narrower; 1 st<br />

dorsal-fin free rear tip over or slightly<br />

anterior to pelvic-fin origin ................. f<br />

f. 2 nd dorsal-fin origin well behind anal-fin<br />

origin (usually over or just anterior to analfin<br />

insertion) (fig. 90); posterior margin<br />

of anal fin nearly straight or shallowly<br />

concave (fig. 90); preanal ridges very<br />

long, subequal to anal-fin base length ... g<br />

2 nd dorsal-fin origin usually about<br />

opposite anal-fin origin (sometimes more<br />

posterior but always well anterior of analfin<br />

insertion) (fig. 91); posterior margin<br />

of anal fin deeply concave or deeply<br />

notched (fig. 91); preanal ridges short,<br />

about half anal-fin base or less .............. h<br />

h. Notch present at posterior edge of eye<br />

(fig. 93); 1 st dorsal-fin origin posterior<br />

to adpressed pectoral-fin free rear tips<br />

by a distance exceeding 4 th gill opening<br />

height (fig. 92) ......................... Loxodon<br />

fig. 92; 122<br />

Posterior rim of eye without a notch (fig.<br />

94); 1 st dorsal-fin origin over or only just<br />

posterior to adpressed pectoral-fin free<br />

rear tips (fig. 95) …….… Rhizoprionodon<br />

fig. 95; 126<br />

i. 1 st dorsal-fin base much closer to pelvicfin<br />

than pectoral-fin bases (fig. 96);<br />

colour brilliant dark blue above; weak keels<br />

present on caudal peduncle ......... Prionace<br />

fig. 96; 124<br />

1 st dorsal-fin base equidistant between<br />

pectoral and pelvic-fin bases (fig. 97);<br />

colour light to dark greyish, greyish brown<br />

or brownish above; no keels present on<br />

caudal peduncle .................. Carcharhinus<br />

fig. 97; 86<br />

fig. 89<br />

fig. 92<br />

fig. 93<br />

fig. 95<br />

fig. 96<br />

fig. 97<br />

fig. 90<br />

fig. 91<br />

fig. 94


SPECIES INFORMATION


36 S h a r k s a n d R a y s o f B o r n e o<br />

Bluntnose Sixgill Shark<br />

Hexanchus griseus (Bonnaterre, 1788)<br />

2 1<br />

3 4<br />

Other names: Sixgill Shark, Bull Shark, Mud Shark, Cow Shark (English), Cucut<br />

Meong, Hiu Tahu Putih (Indonesian), Yu Insang Enam (Malaysian)<br />

Identifying features:<br />

1 6 gill slits<br />

2 small, greenish eye<br />

3 single dorsal fin<br />

4 dorsal fin usually plain (occasionally with narrow white posterior margin)<br />

5 snout broadly rounded (viewed ventrally)<br />

6 lower jaw with 6 rows of large, comb-like teeth<br />

Size: To at least 480 cm; males and females mature at 285–315 and 420 cm respectively;<br />

born at 65–70 cm.<br />

Distribution: Almost circumglobal in tropical and temperate waters.<br />

Habitat and biology: Adults normally found near the bottom in deepwater to at<br />

least 2500 m; young sometimes enter shallow coastal bays. Viviparous, with yolk-sac<br />

dependency; gives birth to litters of 47–108 pups. Diet includes bony fishes, elasmobranchs,<br />

cephalopods and crustaceans, and adults also feed on larger bony fishes (e.g.<br />

billfishes), cetaceans and seals.<br />

Utilisation: Caught rarely so of minimal commercial value.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: Ebert (2003); White & Dharmadi (2010).


H e x a n c h i f o r m e s 37<br />

5<br />

Ventral head<br />

Upper tooth<br />

In Borneo: Probably widespread, but<br />

known only from near Layang-layang, off<br />

western Sabah.<br />

Hexanchidae (Cowsharks)<br />

Lower tooth<br />

6


38 S h a r k s a n d R a y s o f B o r n e o<br />

Western Highfin Spurdog<br />

Squalus altipinnis Last, White & Stevens, 2007<br />

4<br />

1<br />

5 4 3<br />

7<br />

Other names: None (English), none (Indonesian), Yu Minyak (Malaysian)<br />

Identifying features:<br />

1 pectoral-fin free rear tip not elongate<br />

2 snout narrowly pointed (viewed ventrally)<br />

3 2 nd dorsal fin relatively tall, upright<br />

4 dorsal fins with thick spines<br />

5 origin of 2 nd dorsal fin well posterior to pelvic-fin free rear tips<br />

6 dermal denticle crowns elevated on pedicels, broad, with 1 or 3 cusps<br />

7 posterior margin of caudal fin pale<br />

Size: To at least 71.5 cm; males probably smaller, mature at 54 cm; birth size unknown<br />

(late term embryos 19 cm long).<br />

Distribution: Possibly widespread in the Indo-Malay Archipelago, confirmed from<br />

northwestern Australia, Borneo, the Philippines and possibly Indonesia.<br />

Habitat and biology: Occurs near the bottom on the outer continental shelf and<br />

upper slope in 130–300 m. Viviparous, with yolk-sac dependency. Diet probably consists<br />

of small bony fishes, cephalopods and crustaceans.<br />

Utilisation: Caught occasionally by demersal longline fisheries and lobster pots operating<br />

in deepwater areas. Used for its meat when fresh, otherwise discarded.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Squalus sp. 1: Compagno et al. (2005b).<br />

References: Last et al. (2007).


S q u a l i f o r m e s 39<br />

2<br />

Ventral head<br />

Late-term embryo (19 cm)<br />

In Borneo: Northern Borneo, from<br />

Sabah and northern Sarawak.<br />

7<br />

Squalidae (Dogfishes)<br />

6<br />

Flank denticle


40 S h a r k s a n d R a y s o f B o r n e o<br />

Smallfin Gulper Shark<br />

Centrophorus moluccensis Bleeker, 1860<br />

3<br />

4<br />

3<br />

1<br />

Other names: Endeavour Dogfish (English), Hiu Botol Danten, Hiu Taji, Hiu Senget,<br />

Cucut Botol (Indonesian), Yu Minyak (Malaysian)<br />

Identifying features:<br />

1 pectoral-fin free rear tip greatly extended<br />

2 snout relatively short and broadly rounded (when viewed ventrally)<br />

3 2 nd dorsal fin relatively small, half or less height of 1 st dorsal; both fins with short<br />

spines<br />

4 origin of 2 nd dorsal fin well posterior to pelvic-fin free tips<br />

5 dermal denticles flat and sessile, not elevated on pedicels<br />

6 teeth of upper and lower jaws differing in shape<br />

Size: To at least 100 cm; males and females mature at about 70 and 85 cm respectively;<br />

born at about 33 cm.<br />

Distribution: Widespread in the Indo–West Pacific, from South Africa to Japan and<br />

Australia.<br />

Habitat and biology: Occurs near the bottom on the outer continental shelf and<br />

upper slope at depths of 125–820 m. Viviparous, with yolk-sac dependency; gives<br />

birth to litters of two pups every two years; gestation period unknown. Diet consists<br />

primarily of bony fishes and cephalopods, but also elasmobranchs and crustaceans.<br />

Utilisation: Caught infrequently by demersal longline in deepwater. Used for its meat<br />

and fins (low value), and liver oil (very high value).<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: None.<br />

References: White & Dharmadi (2010).


S q u a l i f o r m e s 41<br />

2<br />

Ventral head<br />

Patch of flank denticles<br />

5<br />

In Borneo: Sparse records from off<br />

Sarawak and eastern Sabah.<br />

Upper teeth<br />

Lower teeth<br />

6<br />

Centrophoridae (Gulper <strong>Sharks</strong>)


42 S h a r k s a n d R a y s o f B o r n e o<br />

Ocellated Angelshark<br />

Squatina tergocellatoides Chen, 1963<br />

1<br />

6<br />

3<br />

5<br />

8 8<br />

8<br />

7<br />

Other names: None (English), Hiu Kodok (Indonesian), Yu Pari (Malaysian)<br />

Identifying features:<br />

1 pectoral fins large, broad and angular<br />

2 interorbital space concave<br />

3 no enlarged predorsal thorns<br />

4 nasal barbels and anterior nasal flaps moderately expanded and finely fringed<br />

5 1 st dorsal-fin origin behind pelvic-fin free rear tips<br />

6 dorsal colour pale yellowish brown<br />

7 several pairs of dark blotches or ocelli on pectoral and pelvic fins, and on tail<br />

8 dorsal fins and upper caudal-fin lobe with dark bases<br />

Size: To at least 101 cm.<br />

Distribution: Known only from the Taiwan Straits and off Borneo.<br />

Habitat and biology: A poorly known, demersal shark found on the outer<br />

continental shelf (~160 m depth off Sarawak). Viviparous, with yolk-sac dependency<br />

(lecithotrophic); one pregnant female (~100 cm) contained at least 3 mid-term embryos<br />

(~14 cm). Diet unknown, probably consists of fishes and crustaceans. Angelsharks are<br />

swift ambush predators that use their flexible necks and protruding jaws to snatch prey.


S q u a t i n i f o r m e s 43<br />

Utilisation: Caught opportunistically rather than being targeted. Used for its meat. Fins<br />

of no commercial value.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: None.<br />

Ventral head and abdomen<br />

2<br />

In Borneo: Off western Sabah and<br />

Sarawak.<br />

Squatinidae (Angelsharks)<br />

Front view of head<br />

4<br />

Anterior nasal flap (from front)


44 S h a r k s a n d R a y s o f B o r n e o<br />

Zebra Hornshark<br />

Heterodontus zebra (Gray, 1831)<br />

2<br />

1<br />

3<br />

1<br />

Other names: Zebra Bullhead Shark, Zebra Port Jackson Shark, Bullhead Shark<br />

(English), Hiu (Indonesian), Yu Kebut (Malaysian)<br />

Identifying features:<br />

1 dorsal fins preceded by strong spines<br />

2 head large and blunt with low crests over eyes<br />

3 pale with numerous dark, narrow bands<br />

4 nostrils connected to mouth by a groove<br />

5 mouth small, near snout tip<br />

6 anterior teeth small, pointed, multicuspid<br />

7 posterior teeth molar-like with medial ridges<br />

Size: To at least 122 cm; males mature from about 61 cm; hatch at about 15 cm.<br />

Distribution: Western Pacific, from Japan southwards through the Philippines, Borneo<br />

and Indonesia to northern Australia.<br />

Habitat and biology: Common, but poorly known; continental and insular shelves<br />

mostly down to about 50 m, but deeper off Australia (150–200 m). Biology poorly<br />

known; oviparous, with large, screw-shaped egg cases that are presumably lodged into<br />

rocky crevices during embryonic development. Diet unknown, probably consists of<br />

benthic invertebrates such as sea urchins and crustaceans.<br />

Utilisation: Rarely caught and of little commercial value. Meat sold as fillets; fins have<br />

no value.


H e t e r o d o n t i f o r m e s 45<br />

Conservation status: IUCN Red List: Least Concern.<br />

Local synonyms: Cestracion amboinensis Regan, 1906.<br />

References: None.<br />

4<br />

5<br />

Ventral head<br />

6 7<br />

In Borneo: Northern Borneo, including<br />

Sarawak and Sabah.<br />

Heterodontidae (Hornsharks)<br />

Anterior upper tooth<br />

Posterior upper tooth


46 S h a r k s a n d R a y s o f B o r n e o<br />

Indonesian Wobbegong<br />

Orectolobus leptolineatus Last, Pogonoski & White, 2010<br />

1<br />

2<br />

3<br />

4<br />

5<br />

Other names: Indo Wobbegong (English), Hiu Kodok, Hiu Lepang, Hiu Jenggot<br />

(Indonesian), Yu Misai (Malaysian)<br />

Identifying features:<br />

1 body strongly depressed<br />

2 nasal barbels branched<br />

3 dermal lobes present on side of head<br />

4 elaborate variegated pattern of dark saddles, and pale spots and fine reticulations<br />

5 anal fin present<br />

Size: To at least 120 cm; males mature at 85–88 cm and females by 94 cm.<br />

Distribution: Known from Indonesia, Borneo, the Philippines and Taiwan.<br />

Habitat and biology: Habitat and biology not well known; demersal on insular and<br />

continental shelves. Viviparous, with yolk-sac dependency; one pregnant female<br />

contained at least 4 mid-term embryos. Diet probably consists of demersal invertebrates<br />

and small fishes as with other wobbegong species.<br />

Utilisation: Not recorded during market surveys thus utilisation in the area not known<br />

but likely very minimal.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Orectolobus cf ornatus (De Vis): Compagno et al. (2005b), White et al.<br />

(2006b); Orectolobus maculatus (Bonnaterre): Pickell & Siagian (2000), Yano et al. (2005).<br />

References: Last et al. (2010c).


O r e c t o l o b i f o r m e s 47<br />

2<br />

3<br />

Ventral head<br />

Embryo (14 cm)<br />

In Borneo: Known from a few specimens<br />

collected off southeastern Sabah<br />

(Semporna) and Sarawak.<br />

Orectolobidae (Wobbegongs)


48 S h a r k s a n d R a y s o f B o r n e o<br />

Indonesian Bambooshark<br />

Chiloscyllium hasseltii Bleeker, 1852<br />

1<br />

6<br />

3<br />

4<br />

4<br />

1<br />

5<br />

2<br />

Other names: Hasselt’s Bambooshark (English), Hiu Tekek (Indonesian), Yu-cicak<br />

Lampai, Yu Bodoh (Malaysian)<br />

Identifying features:<br />

1 body and tail relatively stout<br />

2 base of anal fin shorter than lower caudal-fin lobe<br />

3 no skin ridges on trunk<br />

4 posterior margins of dorsal fins straight to convex<br />

5 anal-fin origin close behind free rear tip of 2 nd dorsal fin<br />

6 adults lacking a colour pattern<br />

7 juveniles with black-edged saddle markings and blackish blotches on fins<br />

Size: To at least 78 cm; males mature at about 62 cm; hatch at about 9–12 cm.<br />

Distribution: Tropical Indo–West Pacific, from Myanmar and Vietnam to Indonesia<br />

and New Guinea.<br />

Habitat and biology: Little known, bottom-dwelling species, found inshore to<br />

depths to at least 12 m. Oviparous, depositing egg cases on benthic marine plants, with<br />

hatching occurring in December. Diet unknown, but presumably consists of bottomdwelling<br />

invertebrates, and possibly small fishes.<br />

Utilisation: Caught occasionally by gillnet, longline and trawl fisheries. Used for its<br />

meat.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Chiloscyllium obscurum Gray, 1851; Chiloscyllium dolganovi Kharin,<br />

1987; Chiloscyllium indicum var. obscura Günther, 1870; Chiloscyllium hasselti Bleeker:<br />

Compagno (2001), Compagno et al. (2005a), Yano et al. (2005).<br />

References: Compagno (2001).


O r e c t o l o b i f o r m e s 49<br />

Ventral head<br />

In Borneo: Central western Borneo,<br />

including northwestern Kalimantan and<br />

Sarawak.<br />

6<br />

Hemiscylliidae (Longtail Carpetsharks)<br />

Dorsal head and pectoral fins<br />

7<br />

Juvenile (34.5 cm)


50 S h a r k s a n d R a y s o f B o r n e o<br />

Slender Bambooshark<br />

Chiloscyllium indicum (Gmelin, 1789)<br />

6<br />

1<br />

3<br />

4<br />

1<br />

4<br />

5<br />

2<br />

Other names: Ridgeback Bambooshark, Ridgeback Shark (English), Hiu Bongo,<br />

Cucut Dolok, Hiu Tekek (Indonesian), Yu-cicak Tembaga, Yu Bodoh, Yu Tokeh, Yu Pasir<br />

(Malaysian)<br />

Identifying features:<br />

1 body and tail very slender<br />

2 bases of anal fin and lower caudal-fin lobe about equal in length<br />

3 lateral skin ridges present on trunk<br />

4 posterior margins of dorsal fins straight to convex<br />

5 anal-fin origin well behind free rear tip of 2 nd dorsal fin<br />

6 adults usually with numerous dark spots and blotches (no bands); spots barely evident<br />

in largest individuals<br />

7 juveniles more intensely spotted with black-edged saddles<br />

Size: To at least 65 cm; males and females mature at about 39 and 43 cm respectively;<br />

free-swimming at 13 cm.<br />

Distribution: Tropical Indo–West Pacific, from Sri Lanka to Indonesia; possibly from<br />

the Arabian Sea to the Solomon Islands, and north to Japan.<br />

Habitat and biology: A common, but little known, bottom-dwelling species<br />

occurring inshore; often enters freshwater and brackish areas. Oviparous, depositing<br />

small oval egg cases. Diet unknown but presumably dominated by small invertebrates.<br />

Three colour morphs exist in the environs of the Kapuas Estuary but, based on molecular<br />

analyses, these appear to be a single species.<br />

Utilisation: Caught often at some inshore localities using demersal gillnets and trawls.<br />

Used mainly for its meat, but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Chiloscyllium phymatodes Bleeker, 1852.<br />

References: Compagno (2001).


O r e c t o l o b i f o r m e s 51<br />

Ventral head<br />

6<br />

In Borneo: Patchy; recorded from<br />

southern and western Kalimantan and<br />

Sarawak.<br />

3<br />

Hemiscylliidae (Longtail Carpetsharks)<br />

Dorsal head and pectoral fins<br />

7<br />

Juvenile (19 cm)


52 S h a r k s a n d R a y s o f B o r n e o<br />

Whitespotted Bambooshark<br />

Chiloscyllium plagiosum (Bennett, 1830)<br />

1<br />

6<br />

3<br />

4<br />

1<br />

4<br />

5<br />

2<br />

Other names: None (English), Hiu Bongo, Cucut Dolok, Hiu Tekek (Indonesian), Yucicak<br />

Bintik, Yu Bodoh (Malaysian)<br />

Identifying features:<br />

1 body and tail relatively slender<br />

2 base of anal-fin much shorter than base of lower caudal-fin lobe<br />

3 weak or obscure lateral skin ridges on trunk<br />

4 posterior margins of dorsal fins straight to convex<br />

5 anal-fin origin well behind free rear tip of 2 nd dorsal fin<br />

6 dark bands and spots interspersed with pale blotches<br />

Size: To about 95 cm; males mature at 50–63 cm; hatch at 10–13 cm.<br />

Distribution: Tropical Indo–West Pacific, from Madagascar through to Indonesia, and<br />

north to Japan.<br />

Habitat and biology: A common inshore, bottom-dwelling shark found on coral<br />

reefs, in tidal pools, and amongst rock crevices. Oviparous, depositing oval egg cases<br />

(~8 cm long); in the northwestern Pacific, hatching occurs from June to August. Both<br />

sexes mature at ~4 years of age in Taiwan populations. Nocturnal, diet consists primarily<br />

of bottom-dwelling invertebrates and small fishes.<br />

Utilisation: Caught rarely by demersal gillnet and trawl fisheries operating inshore.<br />

Used mainly for its meat, but of limited value due to its small size. The meat is processed<br />

(fish ball, fish cake), and now sold as fillets in Kota Kinabalu and Sandakan fish markets.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Chiloscyllium plagiosum var. interruptum Bleeker, 1852; Chiloscyllium<br />

margaritiferum Bleeker, 1863.<br />

References: Compagno (2001); Chen et al. (2007).


O r e c t o l o b i f o r m e s 53<br />

Ventral head<br />

In Borneo: South China Sea, from<br />

northwestern Kalimantan to northern<br />

Sabah.<br />

6<br />

Hemiscylliidae (Longtail Carpetsharks)<br />

Dorsal head and pectoral fins<br />

6<br />

Juvenile (13 cm)


54 S h a r k s a n d R a y s o f B o r n e o<br />

Brownbanded Bambooshark<br />

Chiloscyllium punctatum Müller & Henle, 1838<br />

1<br />

4<br />

4<br />

6<br />

3<br />

1<br />

5<br />

2<br />

Other names: Grey Carpetshark, Brownbanded Catshark, Spotted Catshark (English),<br />

Hiu Bongo, Hiu Batu, Hiu Gedok, Hiu Tekek (Indonesian), Yu-cicak Insang Putih,Yu<br />

Bodoh, Yu Tokeh, Yu Punai (Malaysian)<br />

Identifying features:<br />

1 body and tail moderately slender<br />

2 base of anal-fin much shorter than base of lower caudal-fin lobe<br />

3 no skin ridges on trunk<br />

4 posterior margins of dorsal fins straight or distinctly concave<br />

5 anal-fin origin over or just behind free rear tip of 2 nd dorsal fin<br />

6 adults plain coloured or with faint brownish bands<br />

7 juveniles with dark transverse bands usually with a scattering of small dark spots<br />

Size: To at least 132 cm (144 cm in captivity); males and females mature at 67–72 cm<br />

and by 68 cm respectively; hatch at 13–18 cm.<br />

Distribution: Tropical Indo–West Pacific, from the east coast of India to Australia and<br />

New Guinea, and north to Japan.<br />

Habitat and biology: A very common, inshore bottom-dwelling shark living in tidal<br />

pools on coral reefs, on muddy banks, and amongst mangroves and seagrasses; from the<br />

intertidal zone to a depth of 85 m or more. Oviparous, depositing rounded egg cases<br />

(11 by 5 cm); in captivity, hatching occurs between 90 and 153 days afterward. Diet<br />

consists primarily of bottom-dwelling invertebrates and small fishes. Can survive for<br />

many hours out of water.<br />

Utilisation: Caught often by demersal gillnet, longline and trawl fisheries operating in<br />

insular and continental shelf waters. Used for its meat.<br />

Conservation status: IUCN Red List: Near Threatened.


O r e c t o l o b i f o r m e s 55<br />

Local synonyms: None.<br />

References: Compagno (2001).<br />

Ventral head<br />

In Borneo: Southern and western<br />

Kalimantan, Sarawak and Sabah.<br />

Hemiscylliidae (Longtail Carpetsharks)<br />

Dorsal head and pectoral fins<br />

7<br />

Sub-adult (51 cm)


56 S h a r k s a n d R a y s o f B o r n e o<br />

Tawny Nurse Shark<br />

Nebrius ferrugineus (Lesson, 1830)<br />

3<br />

5<br />

4<br />

4<br />

1<br />

Other names: Tawny Shark, Spitting Shark, Sleepy Shark, Madame X (English), Hiu<br />

Gedebong, Hiu Gedok, Hiu Bisu (Indonesian), Yu Semilang, Yu Bodoh (Malaysian)<br />

Identifying features:<br />

1 caudal fin elongate, asymmetrical, its length about one third of total length<br />

2 nostrils near tip of snout, with short barbels and nasoral grooves<br />

3 spiracle much smaller than eye<br />

4 dorsal fins similar in size, tips angular, close to tail<br />

5 body colour plain, yellowish to greyish brown<br />

Size: To at least 320 cm; males and females mature at about 225 and 230 cm respectively;<br />

born at 40–60 cm.<br />

Distribution: Widespread throughout the Indo–West and Central Pacific.<br />

Habitat and biology: A demersal shark living on coral and rocky reefs, and over<br />

sand flats, from the intertidal zone to at least 70 m depth. Viviparous, with yolk-sac<br />

dependency (in Japan, reported to be oophagous with small litters); retains up to 32<br />

egg cases that hatch inside the mother, giving birth to live pups. Sluggish and mostly<br />

nocturnal, usually resting in small groups near caves and rocky crevices during the day.<br />

Diet includes a variety of demersal invertebrates as well as small reef fishes; uses its<br />

pharynx as a powerful suction pump to extract prey from rocky crevices.<br />

Utilisation: Not recorded during market surveys thus utilisation in the area not known.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Ginglymostoma rueppellii Bleeker, 1852; Nebrius concolor Rüppell 1837.<br />

References: None.


O r e c t o l o b i f o r m e s 57<br />

2<br />

Upper tooth<br />

Lower tooth<br />

Ventral head<br />

4<br />

In Borneo: Uncommon, not observed in<br />

surveys, but known to occur on coral reefs<br />

in the Sulu Sea (Sipadan Islands) and Perak<br />

(Peninsular Malaysia). Unverified record<br />

from dive operator in Kota Kinabalu.<br />

4<br />

Ginglymostomatidae (Nurse <strong>Sharks</strong>)<br />

Lateral precaudal tail region


58 S h a r k s a n d R a y s o f B o r n e o<br />

Zebra Shark<br />

Stegostoma fasciatum (Hermann, 1783)<br />

5<br />

1<br />

4<br />

3<br />

Other names: Leopard Shark (English), Hiu Belimbing, Kluyu Blimbingan<br />

(Indonesian), Yu Rimau, Yu Kebut, Yu Cicak, Yu Tokeh (Malaysian)<br />

Identifying features:<br />

1 colour pattern yellowish brown with numerous, dark brown spots in adults<br />

2 dark brown with vertical white bars and spots in juveniles (smaller than 70 cm)<br />

3 caudal fin very long, blade-like<br />

4 prominent ridges on dorsal surface and sides<br />

5 spiracle similar in size to eye<br />

Size: To at least 235 cm (reports of 354 cm need validation); males and females mature<br />

at about 145–185 and 170 cm respectively; hatch at about 20–36 cm.<br />

Distribution: Tropical Indo–West Pacific, from southeastern Africa to New Caledonia<br />

and Japan.<br />

Habitat and biology: A common inshore, demersal shark found over coral reefs and<br />

soft bottoms in shallow waters to at least 40 m. Oviparous; their large egg cases (13–17<br />

cm long, 8 cm wide), which are dark brown to purplish black with longitudinal striations,<br />

are anchored to the substrate by lateral masses of hair-like fibres. Diet consists<br />

primarily of gastropods and bivalves, but also crustaceans and small fishes. Active<br />

mostly at night, resting on the bottom during day.<br />

Utilisation: Used primarily for its meat and skin (exported to Thailand for leather).<br />

Protected under the Malaysian Fisheries Act, so catches are opportunistic and landings<br />

not reported.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Squalus pantherinus Kuhl & van Hasselt in Bleeker, 1852 (name


O r e c t o l o b i f o r m e s 59<br />

mentioned in synon<strong>my</strong> with S. fasciatum); Scyllia quinquecornuatum van Hasselt, 1823;<br />

Squalus tigrinus Forster, 1781; Stegostoma varium Garman, 1913.<br />

References: None.<br />

Ventral head<br />

Lower tooth<br />

Upper tooth<br />

In Borneo: Western and northern<br />

Borneo, including Sarawak, Sabah and<br />

north-west and north-east Kalimantan.<br />

Stegostomatidae (Zebra <strong>Sharks</strong>)<br />

2<br />

Juvenile (49.5 cm)


60 S h a r k s a n d R a y s o f B o r n e o<br />

Whale Shark<br />

Rhincodon typus Smith, 1828<br />

1<br />

6<br />

5<br />

4<br />

3<br />

Other names: None (English), Hiu Paus (Indonesian), Yu Paus (Malaysian)<br />

Identifying features:<br />

1 head very broad and flattened<br />

2 adults huge, attaining 12 m or more in length<br />

3 mouth very wide, almost terminal on head<br />

4 caudal peduncle depressed, with strong fleshy keels on sides<br />

5 prominent ridges on dorsal surface and sides<br />

6 dorsal and lateral surfaces with numerous crea<strong>my</strong> white spots between pale bars and<br />

stripes<br />

Size: To at least 12 m, but recent studies suggest lengths of up to 18 m; males and<br />

females mature at 300–400 and >760 cm respectively; born at about 40–64 cm.<br />

Distribution: Cosmopolitan in all tropical and warm temperate seas.<br />

Habitat and biology: The whale shark is the largest living fish. Epipelagic, oceanic<br />

and coastal, sometimes venturing into atoll lagoons; highly migratory, occurring<br />

singly or in large aggregations. Viviparous, with yolk-sac dependency, although was long<br />

thought to be oviparous as it retains egg cases in utero until pups hatch; a pregnant female<br />

caught off Taiwan had 300 pups nearing full term. Diet includes a variety of planktonic<br />

and nektonic prey. Ecotourism ventures have been established in many countries to take<br />

advantage of some of the predictable aggregations.<br />

Utilisation: Caught irregularly, and somewhat opportunistically, by traditional fishers<br />

using gillnets and harpoons. Used for its fins (extremely valuable as a display item) and<br />

meat. Population declines due to overfishing reported from the Philippines, Taiwan,<br />

Maldives and India.<br />

Conservation status: IUCN Red List: Vulnerable; Appendix II of CITES (to ensure<br />

that international trade is sustainable) and Appendix II of the Convention on Migratory<br />

Species (to encourage international management).


O r e c t o l o b i f o r m e s 61<br />

Local synonyms: Rhiniodon typus Smith, 1829.<br />

References: None.<br />

1<br />

3<br />

Upper tooth<br />

In Borneo: Recorded from northern<br />

and western Sabah and northwestern<br />

Kalimantan, but probably more widely<br />

distributed. Seasonal in Sabah, usually<br />

from February to April.<br />

Rhincodontidae (Whale <strong>Sharks</strong>)<br />

Lower tooth


62 S h a r k s a n d R a y s o f B o r n e o<br />

Pelagic Thresher<br />

Alopias pelagicus Nakamura, 1935<br />

1<br />

2<br />

4<br />

5<br />

3<br />

Other names: None (English), Hiu Monyet, Hiu Tikus, Cucut Pedang, Tikusan<br />

(Indonesian), Yu Ekor Panjang (Malaysian)<br />

Identifying features:<br />

1 upper lobe of caudal fin nearly as long as rest of body<br />

2 head profile arched between eyes, no deep grooves on nape<br />

3 1 st dorsal fin closer to pectoral-fin rear tip than pelvic-fin base<br />

4 eye relatively large, almost central on side of head<br />

5 white part of belly not extending over pectoral-fin base<br />

Size: To at least 390 cm; males and females mature at about 245–270 and 265–290 cm<br />

respectively; born at about 130–160 cm.<br />

Distribution: Widespread in the tropical and subtropical Indo–Pacific.<br />

Habitat and biology: Oceanic, usually well offshore, from the surface to at least<br />

150 m depth. Viviparous, with oophagy, but no evidence of adelphophagy; gives birth to<br />

litters of two (one per uterus) after an unknown gestation period; no reproductive<br />

seasonality with females giving birth throughout the year. Males and females mature<br />

at 7–8 and 8–9 years respectively. Diet poorly known but presumably consists of small<br />

fishes and cephalopods. Possibly able to maintain a body temperature warmer than the<br />

surrounding seawater.


L a m n i f o r m e s 63<br />

Utilisation: Caught by the tuna and shark longline, and tuna drift net fisheries in deep<br />

oceanic waters. Used for its fins (high value), meat (salted), skins and cartilage.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: White (2007b).<br />

Ventral head<br />

In Borneo: Uncommon, South China<br />

Sea off Sabah and also the Natuna Islands<br />

off Sarawak; possibly more widespread.<br />

Alopiidae (Thresher <strong>Sharks</strong>)<br />

Upper tooth<br />

Lower tooth


64 S h a r k s a n d R a y s o f B o r n e o<br />

Shortfin Mako<br />

Isurus oxyrinchus Rafinesque, 1810<br />

3<br />

1<br />

2<br />

Other names: Mako Shark, Blue Pointer, Mackerel Shark, Snapper Shark (English),<br />

Hiu Tenggiri, Hiu Anjing, Hiu Mako, Hiu Kakap (Indonesian), Jerung-mako Sirip<br />

Pendek, Yu Jerung (Malaysian)<br />

Identifying features:<br />

1 large lateral keel on either side of the caudal peduncle<br />

2 pectoral fins short, their length less than head length<br />

3 eye relatively small<br />

4 snout sharply pointed (viewed ventrally), its undersurface white<br />

5 long slender, pointed teeth (smooth edged and curved with bent tips) protruding<br />

from mouth<br />

Size: To at least 390 cm; males and females mature at about 185–195 and 250–280 cm<br />

respectively; born at about 60–70 cm.<br />

Distribution: Cosmopolitan in all tropical and temperate seas.<br />

Habitat and biology: Epipelagic and oceanic, from the surface to at least 650 m<br />

depth; occasionally found close inshore. Viviparous, with oophagy and possibly<br />

adelphophagy; gives birth to litters of 10–18 pups (maximum 25) after a 15–18 month<br />

gestation period, with a 3 year reproductive cycle. Males and females mature at 8 and 18<br />

years respectively. Diet consists primarily of small to very large fishes, including<br />

elasmobranchs, cephalopods and occasionally marine mammals. Potentially<br />

dangerous to humans, known to attack boats; considered to be the fastest swimming<br />

shark.


L a m n i f o r m e s 65<br />

Utilisation: Caught occasionally by tuna and shark longline fisheries. Used for its high<br />

quality meat, fins (high value in adults), jaws (highly prized), skin and cartilage.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Oxyrhina glauca Müller & Henle, 1839.<br />

References: White (2007b).<br />

4<br />

5<br />

Ventral head<br />

In Borneo: Only recorded off Sabah, but<br />

almost certainly more widespread.<br />

Lamnidae (Mackerel <strong>Sharks</strong>)<br />

Upper tooth<br />

5<br />

Lower tooth


66 S h a r k s a n d R a y s o f B o r n e o<br />

Bigfin Catshark<br />

Apristurus platyrhynchus (Tanaka, 1909)<br />

6<br />

5<br />

4<br />

3<br />

2 1<br />

Other names: Spatulasnout Catshark (English), none (Indonesian), none (Malaysian)<br />

Identifying features:<br />

1 anal fin low and very long<br />

2 pectoral fins large, reaching almost to pelvic fins<br />

3 2 nd dorsal fin much larger than 1 st dorsal fin<br />

4 uniformly greyish to brownish<br />

5 gill slits and naked areas on fins black<br />

6 snout moderately long and flattened<br />

7 labial furrows very long<br />

8 anterior nasal flaps not greatly expanded, not reaching mouth and smaller than<br />

nostrils<br />

Size: To at least 71 cm; both sexes mature by about 60 cm.<br />

Distribution: Patchy in the Western Pacific, from Australia (including the Norfolk<br />

Ridge), Borneo, Philippines and Japan.<br />

Habitat and biology: A deepwater catshark living near the bottom on the continental<br />

slope at depths of 400–1080 m. Oviparous, but biology and diet unknown, presumably<br />

consisting of small invertebrates and bony fishes.<br />

Utilisation: Unknown; rarely encountered.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Pentanchus verweyi Fowler, 1934; Apristurus verweyi (Fowler).<br />

References: Kawauchi et al. (2008).


C a r c h a r h i n i f o r m e s 67<br />

8<br />

7<br />

Ventral head<br />

In Borneo: Known only from off<br />

Sipadan Island, in the Celebes Sea<br />

(eastern Sabah).<br />

Scyliorhinidae (Catsharks)<br />

Flank denticles


68 S h a r k s a n d R a y s o f B o r n e o<br />

Coral Catshark<br />

Atelo<strong>my</strong>cterus marmoratus (Bennett, 1830)<br />

1<br />

1<br />

3<br />

2<br />

Other names: None (English), Hiu Tokek, Cucut Tokek (Indonesian), Yu Cicak, Yu<br />

Tokeh, Yu Pendek (Malaysian)<br />

Identifying features:<br />

1 dorsal fins large, subequal in size, angled rearwards, with obvious white tips<br />

2 covered with numerous light grey and white spots; saddles obsolete<br />

3 prominent white stripe on side of head through gill slits<br />

4 labial furrows very long<br />

5 anterior nasal flaps greatly enlarged, extending to mouth<br />

Size: To at least 70 cm; both sexes mature at about 47–55 cm.<br />

Distribution: Tropical Indo–West Pacific, from Pakistan to New Guinea and southern<br />

China and Taiwan.<br />

Habitat and biology: A common, inshore catshark found in crevices and holes on<br />

rocky reefs. Oviparous, laying pairs of egg cases onto the substrate; egg cases elongate<br />

(6–8 cm long, 2 cm wide), brown, with two constricted waists and tendrils only at one<br />

end. Diet unknown, but presumably dominated by small invertebrates.<br />

Utilisation: Caught occasionally by fishers operating over coral reefs; probably<br />

adversely affected by dynamite fishing. Utilised for its meat but of limited value due to<br />

its small size; its fins have no value.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Scyllium marmoratum Bennett, 1830.<br />

References: Bor et al. (2003); White (2007a).


C a r c h a r h i n i f o r m e s 69<br />

5<br />

4<br />

Ventral head<br />

In Borneo: Coastal waters of Sabah and<br />

Sarawak.<br />

Scyliorhinidae (Catsharks)<br />

Dorsal head and pectoral fins


70 S h a r k s a n d R a y s o f B o r n e o<br />

Sarawak Swellshark<br />

Cephaloscyllium sarawakensis Yano, Ahmad & Gambang, 2005<br />

6<br />

2<br />

1<br />

3<br />

Other names: Sarawak Pyg<strong>my</strong> Swell Shark, Sarawak Pyg<strong>my</strong> Swellshark (English), none<br />

(Indonesian), Yu-buntal Sarawak, Yu Buncit, Yu Kembong, Yu Buntal (Malaysian)<br />

Identifying features:<br />

1 2 nd dorsal fin much smaller than 1 st dorsal fin, its origin only slightly behind analfin<br />

origin<br />

2 stomach inflatable<br />

3 no crest of enlarged denticles along dorsal caudal-fin margin<br />

4 no labial furrows<br />

5 anterior nasal flaps short, not reaching mouth<br />

6 colour pattern relatively simple, consisting of narrow dark saddles and large blotches<br />

on sides<br />

Size: To at least 48 cm; females and males appear to be mature by 32 and 35 cm<br />

respectively.<br />

Distribution: Tropical northwestern Pacific, from Borneo to Hainan Island, southern<br />

China.<br />

Habitat and biology: A recently described, demersal species found on the outer shelf<br />

at depths of about 120–165 m. Oviparous, depositing smooth, oval-shaped egg cases<br />

9–10 cm long by ~3 cm wide. Diet unknown, probably mainly small invertebrates and<br />

fishes. Stomach inflatable, filling with air or water if threatened.<br />

Utilisation: Bycatch of trawl fisheries but of limited value for food.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Cephaloscyllium circulopullum Yano, Ahmad & Gambang, 2005;<br />

Cephaloscyllium parvum Inoue & Nakaya, 2006.<br />

References: Schaaf-Da Silva & Ebert (2008).


C a r c h a r h i n i f o r m e s 71<br />

5<br />

4<br />

Ventral head<br />

Egg case<br />

In Borneo: South China Sea, off Sarawak.<br />

Scyliorhinidae (Catsharks)<br />

Dorsal head and pectoral fins


72 S h a r k s a n d R a y s o f B o r n e o<br />

Indonesian Speckled Catshark<br />

Halaelurus maculosus White, Last & Stevens, 2007<br />

2<br />

1<br />

1<br />

3 4<br />

Other names: None (English), Hiu Tokek (Indonesian), Yu Bodoh (Malaysian)<br />

Identifying features:<br />

1 dorsal fins of similar size<br />

2 clusters of small blackish spots on and between brownish saddles<br />

3 whitish ventrally<br />

4 pelvic-fin inner margins of adult males not joined above claspers<br />

5 upper labial furrows barely noticeable<br />

6 anterior nasal flaps short, not reaching mouth<br />

Size: To at least 53 cm; males mature at 36–40 cm.<br />

Distribution: Known from Indonesia, the Philippines and Malaysia.<br />

Habitat and biology: A recently described, demersal species; probably reef-dwelling<br />

on the outer continental shelf. Biology poorly known; oviparous, females depositing 6–<br />

12 oval-shaped egg cases. Diet unknown, but probably dominated by small invertebrates<br />

and fishes.<br />

Utilisation: Bycatch of trawl fisheries, used for its meat but of limited value due to its<br />

small size.<br />

Conservation status: IUCN Red List: Least Concern.<br />

Local synonyms: Halaelurus cf. buergeri (Müller & Henle): White et al. (2006b);<br />

Halaelurus buergeri (Müller & Henle): Yano et al. (2005); Halaelurus sp. 1: White (2007a).<br />

References: White (2007a); White et al. (2007).


C a r c h a r h i n i f o r m e s 73<br />

6<br />

5<br />

Ventral head<br />

Egg case<br />

In Borneo: Known only from off<br />

Sarawak.<br />

Scyliorhinidae (Catsharks)<br />

Dorsal head and anterior trunk


74 S h a r k s a n d R a y s o f B o r n e o<br />

Starspotted Smoothhound<br />

Mustelus manazo Bleeker, 1854<br />

5<br />

4<br />

3<br />

1<br />

2<br />

Other names: Gum<strong>my</strong> Shark, Japanese Smoothhound (English), Hiu Kacang, Hiu Air,<br />

Cucut Londer (Indonesian), Yu-jaras Bintik, Yu Jaras (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal fin plain or with a dusky tip<br />

2 caudal fin often with white posterior margin or tip<br />

3 sides with numerous small white spots (sometimes absent or only near lateral line)<br />

4 1 st dorsal-fin origin well behind pectoral-fin base<br />

5 eyes dorsolateral on head, with ridge beneath<br />

6 internarial width 1–2 times nostril width<br />

7 upper labial furrow much longer than lower furrow<br />

8 teeth in both jaws broad and blunt, not strongly compressed<br />

Size: To at least 117 cm; both sexes mature at 62–70 cm; born at about 30 cm.<br />

Distribution: Northwestern Pacific from Malaysia to southern Siberia; records from<br />

Kenya in the Western Indian Ocean require validation.<br />

Habitat and biology: Demersal on soft bottoms of the continental shelf and upper<br />

slope, including well inshore. Biology of Japanese and Taiwanese populations well<br />

studied. Viviparous, with histotrophy (no yolk sac-placenta as in some other members<br />

of the genus); gives birth to litters of 1–22 pups (average 5) after about a 10 month<br />

gestation. Fast growing with both sexes maturing at 3–4 years of age. Feeds<br />

predominantly on demersal invertebrates, mostly crustaceans.<br />

Utilisation: Caught rarely by trawlers. Used for its meat and fins, but of limited value.<br />

Conservation status: IUCN Red List: Data Deficient.


C a r c h a r h i n i f o r m e s 75<br />

Local synonyms: Mustelus mosis Hemprich & Ehrenberg: Yano et al. (2005).<br />

References: None.<br />

6<br />

7<br />

8<br />

Ventral head<br />

In Borneo: Known from the South<br />

China Sea, off Sarawak and Sabah.<br />

Triakidae (Houndsharks)


76 S h a r k s a n d R a y s o f B o r n e o<br />

Whitefin Smoothhound<br />

Mustelus widodoi White & Last, 2006<br />

1<br />

5<br />

4<br />

3<br />

2<br />

2<br />

Other names: None (English), Hiu Kacang, Hiu Air, Cucut Londer (Indonesian), Yu<br />

Jaras (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal fin with a prominent white tip<br />

2 2 nd dorsal fin and caudal-fin upper lobe with distinct black tips<br />

3 sides lacking white spots<br />

4 1 st dorsal-fin origin well behind pectoral-fin base<br />

5 eyes dorsolateral on head, with ridge beneath<br />

6 internarial width 1–2 times nostril width<br />

7 lower labial furrow subequal to or slightly longer than upper furrow<br />

8 teeth in both jaws broad and blunt, not strongly compressed<br />

Size: To at least 110 cm; males mature at 83–89 cm.<br />

Distribution: Southern Indonesia (Java, Bali, Lombok and possibly Sumatra) and off<br />

Malaysian Borneo.<br />

Habitat and biology: Biology and habitat largely unknown. Demersal on the midcontinental<br />

shelf to upper slope in depths greater than 60 m. Reproductive strategy<br />

unknown; either viviparous, with histotrophy or viviparous, with a yolk sac-placenta as<br />

in other members of the genus. Diet unknown, presumably consisting of small fishes<br />

and invertebrates as in other members of the genus.<br />

Utilisation: Marketed infrequently, probably more abundant in the deeper parts of the<br />

South China Sea. Used for its meat and fins, but of limited use due to its rarity.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Mustelus sp. 1: White et al. (2006b).<br />

References: White & Last (2006); White (2007a).


C a r c h a r h i n i f o r m e s 77<br />

6<br />

8<br />

7<br />

Ventral head<br />

In Borneo: Known only from northwestern<br />

Sabah.<br />

Triakidae (Houndsharks)


78 S h a r k s a n d R a y s o f B o r n e o<br />

Hooktooth Shark<br />

Chaenogaleus macrostoma (Bleeker, 1852)<br />

3<br />

1<br />

2<br />

3<br />

3 3<br />

Other names: None (English), Hiu Kacang, Hiu Pilus (Indonesian), Yu Gigi Cangkuk<br />

(Malaysian)<br />

Identifying features:<br />

1 spiracles small<br />

2 gill slits large, more than twice eye length<br />

3 pelvic and dorsal fins, and ventral caudal-fin lobe, weakly falcate<br />

4 snout obtusely wedge-shaped (viewed from underneath)<br />

5 teeth protruding prominently when mouth closed<br />

6 front lower teeth with long, strongly hooked cusps<br />

Size: To at least 100 cm; males mature at about 68 cm; born at about 20 cm or more.<br />

Distribution: Tropical Indo–West Pacific, from the Gulf of Aden to southern Indonesia,<br />

and north to China.<br />

Habitat and biology: Occurs on or near the bottom near the coast to depths of at<br />

least 60 m. Viviparous, with a yolk-sac placenta; gives birth to litters of 4 pups after an<br />

unknown gestation period. Diet probably consists of small fishes, cephalopods and<br />

crustaceans.<br />

Utilisation: Caught rarely by inshore gillnet and longline fisheries. Used for its meat<br />

and fins but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: None.


C a r c h a r h i n i f o r m e s 79<br />

4<br />

5<br />

Upper tooth<br />

Lower tooth<br />

Ventral head<br />

6<br />

In Borneo: Uncommon, recorded<br />

from Sarawak, Sabah and northeastern<br />

Kalimantan, but probably more widely<br />

distributed.<br />

Hemigaleidae (Weasel <strong>Sharks</strong>)


80 S h a r k s a n d R a y s o f B o r n e o<br />

Sicklefin Weasel Shark<br />

Hemigaleus microstoma Bleeker, 1852<br />

3<br />

1<br />

2<br />

3<br />

3<br />

3<br />

Other names: Weasel Shark (English), Hiu Kacang, Hiu Pilus (Indonesian), Yu Bintik<br />

Putih, Yu Pasir (Malaysian)<br />

Identifying features:<br />

1 spiracles small<br />

2 gill slits small, less than twice eye length<br />

3 pelvic and dorsal fins, and ventral caudal-fin lobe, strongly falcate<br />

4 mouth very short and broadly arched<br />

5 teeth concealed when mouth closed<br />

6 upper teeth with oblique, subtriangular cusps, lateral margins serrated<br />

7 front lower teeth with short, erect cusps (roots strongly arched)<br />

Size: To at least 114 cm; males and females mature at about 74 and 78 cm respectively;<br />

born at about 45 cm.<br />

Distribution: Tropical Indo–West Pacific, from the Red Sea to Indonesia and north to<br />

China, excluding Australia and New Guinea.<br />

Habitat and biology: Occurs on or near the bottom on the continental shelf.<br />

Viviparous, with a yolk-sac placenta; gives birth possibly twice a year to litters of 2–4<br />

pups after a gestation period of probably less than 6 months. Diet largely unknown, but<br />

a few stomachs examined contained cephalopods.<br />

Utilisation: Often caught by inshore gillnet, bottom trawl and, to a lesser extent,<br />

longline fisheries. Used for its meat and fins, but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Vulnerable.


C a r c h a r h i n i f o r m e s 81<br />

Local synonyms: Hemigaleus machlani Herre, 1929; Carcharias (Hypoprion) notatus<br />

Bleeker, 1850.<br />

References: White (2007a); Taylor & Bennett (2008).<br />

Upper tooth<br />

5<br />

4<br />

Ventral head<br />

6<br />

In Borneo: Widespread.<br />

Hemigaleidae (Weasel <strong>Sharks</strong>)<br />

7<br />

Lower tooth<br />

Pectoral fin - ventral


82 S h a r k s a n d R a y s o f B o r n e o<br />

Fossil Shark<br />

Hemipristis elongata (Klunzinger, 1871)<br />

3<br />

1<br />

2<br />

3<br />

3<br />

3<br />

Other names: Snaggletooth Shark (English), Hiu Monas (Indonesian), Jerung Gigi<br />

Cerakah, Yu Putih (Malaysian)<br />

Identifying features:<br />

1 spiracles small<br />

2 gill slits large, more than twice eye length<br />

3 pelvic and dorsal fins, and ventral caudal-fin lobe, strongly falcate<br />

4 snout bluntly rounded (viewed from underneath)<br />

5 teeth protruding prominently when mouth closed<br />

6 front lower teeth with long, strongly hooked cusps<br />

Size: To at least 230 cm; males and females mature at 110–136 and about 120 cm<br />

respectively; born at 45–52 cm.<br />

Distribution: Tropical (rarely warm temperate) waters of the Indo–West Pacific, from<br />

southeastern Africa to northern Australia, and north to China.<br />

Habitat and biology: Occurs on continental and insular shelves to depths of at least<br />

130 m. Viviparous, with a yolk-sac placenta; gives birth to litters of 2–11 pups after a<br />

7–8 month gestation period; possibly breeds every second year. Diet consists of cephalopods<br />

and fishes, including small elasmobranchs.<br />

Utilisation: Caught often by inshore gillnet, bottom trawl and longline fisheries. Used<br />

for its meat (good quality), fins and cartilage. Population declines have been reported in<br />

some regions.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Chaenogaleus macrostoma (Bleeker): White et al. (2006b); Hemipristis<br />

elongatus (Klunzinger): Yano et al. (2005).


C a r c h a r h i n i f o r m e s 83<br />

References: White (2007a).<br />

4<br />

Upper tooth<br />

5<br />

Ventral head<br />

6<br />

In Borneo: Widespread.<br />

Hemigaleidae (Weasel <strong>Sharks</strong>)<br />

Lower tooth<br />

Pectoral fin - ventral<br />

Juvenile (63 cm)


84 S h a r k s a n d R a y s o f B o r n e o<br />

Straight-tooth Weasel Shark<br />

Paragaleus tengi (Chen, 1963)<br />

3<br />

3<br />

1<br />

2<br />

3<br />

3<br />

Other names: None (English), Hiu Kacang, Hiu Pasir (Indonesian), Yu Gigi Lurus<br />

(Malaysian)<br />

Identifying features:<br />

1 spiracles small<br />

2 gill slits small, less than twice eye length<br />

3 pelvic and dorsal fins, and ventral caudal-fin lobe, not falcate<br />

4 snout pointed (viewed from underneath)<br />

5 mouth long, narrowly arched<br />

6 teeth concealed when mouth closed<br />

7 upper teeth with narrow, moderately long, semi-erect to oblique cusps, and distal<br />

cusplets<br />

8 anterior lower teeth with moderately long, erect cusps (roots slightly arched)<br />

Size: To at least 93 cm; free-swimming at 40 cm.<br />

Distribution: Tropical northwestern Pacific, from Indonesia to southern Japan.<br />

Habitat and biology: An inshore species, probably occurring on or near the bottom.<br />

Viviparous, with a yolk-sac placenta; biology and diet unknown.<br />

Utilisation: Caught occasionally by inshore gillnet, bottom trawl and longline fisheries.<br />

Used for its meat and fins, but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Negogaleus longicaudatus Bessednov, 1966.<br />

References: None.


C a r c h a r h i n i f o r m e s 85<br />

4<br />

6<br />

5<br />

Upper tooth<br />

Ventral head<br />

7<br />

In Borneo: Off Sabah, Sarawak and<br />

eastern Kalimantan.<br />

Hemigaleidae (Weasel <strong>Sharks</strong>)<br />

8<br />

Lower tooth


86 S h a r k s a n d R a y s o f B o r n e o<br />

Silvertip Shark<br />

Carcharhinus albimarginatus (Rüppell, 1837)<br />

3<br />

1<br />

2<br />

1<br />

1<br />

1<br />

1<br />

Other names: None (English), Cucut Lanjaman, Hiu Lanyam, Hiu Plen, Hiu Sonteng<br />

(Indonesian), none (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal, pectoral, pelvic and caudal fins with prominent white tips<br />

2 interdorsal ridge present<br />

3 apex of 1 st dorsal fin pointed or narrowly rounded<br />

4 snout rather long and parabolic (viewed ventrally)<br />

5 upper teeth triangular, cusp oblique, edges distinctly notched and serrated<br />

6 lower teeth serrated but more slender and erect than uppers<br />

Size: To at least 275 cm; males and females mature at about 170 and 195 cm respectively;<br />

born at 70–80 cm.<br />

Distribution: Widespread in the tropical Indo–Pacific, from southeastern Africa to<br />

central America.<br />

Habitat and biology: An inshore and offshore pelagic shark, rather than oceanic;<br />

occurring throughout the water column to depths of at least 800 m. Viviparous, with a<br />

yolk-sac placenta; gives birth every second year to a litter of about 6 pups (maximum<br />

11) after a 12 month gestation period. Diet includes a variety of pelagic and demersal<br />

fishes. Known to be aggressive when provoked and is potentially dangerous to humans.<br />

Utilisation: Locally, rarely landed by longline and pelagic gillnet fisheries. Used elsewhere<br />

for its fins, meat, skin and cartilage.<br />

Conservation status: IUCN Red List: Near Threatened.


C a r c h a r h i n i f o r m e s 87<br />

Local synonyms: None.<br />

References: None.<br />

4<br />

Upper tooth<br />

Ventral head<br />

5<br />

In Borneo: Few confirmed local records,<br />

but observed by divers at the Spratly<br />

Islands in the South China Sea; probably<br />

also common around coral reefs off eastern<br />

Sabah.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth<br />

6


88 S h a r k s a n d R a y s o f B o r n e o<br />

Graceful Shark<br />

Carcharhinus amblyrhynchoides (Whitley, 1934)<br />

1<br />

2<br />

1<br />

1<br />

1<br />

1<br />

Other names: Queensland Shark (English), Cucut Lanjaman, Hiu Bujit (Indonesian),<br />

Yu Jalur Putih (Malaysian)<br />

Identifying features:<br />

1 all fin tips usually black or dusky (except anal fin)<br />

2 interdorsal ridge absent<br />

3 snout rather short, narrowly rounded to pointed (viewed ventrally), internarial space<br />

1–1.2 times preoral snout length<br />

4 upper and lower teeth with a slender, erect cusp, no basal cusplets<br />

5 precaudal vertebrae usually less than 82<br />

Size: To at least 178 cm; both sexes mature at about 110–115 cm; born at 50–60 cm.<br />

Distribution: Tropical Indo–West Pacific, from the Gulf of Aden to northern Australia<br />

and the Philippines.<br />

Habitat and biology: Primarily pelagic in midwater over insular shelves, from close<br />

inshore to bottom depths of at least 50 m. Viviparous, with a yolk-sac placenta; gives<br />

birth to litters of an average of 3 pups (maximum 8) after a 9–10 month gestation<br />

period. Diet consists primarily of fish, with smaller amounts of crustaceans and cephalopods.<br />

Not dangerous to humans.<br />

Utilisation: Caught mainly as bycatch by longlining. Used for its fins and meat, but<br />

typically only small in size.<br />

Conservation status: IUCN Red List: Near Threatened.


C a r c h a r h i n i f o r m e s 89<br />

Local synonyms: None.<br />

References: White (2007c); Ahmad et al. (2008).<br />

3<br />

Upper tooth<br />

Ventral head<br />

4<br />

In Borneo: Widespread.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth


90 S h a r k s a n d R a y s o f B o r n e o<br />

Grey Reef Shark<br />

Carcharhinus amblyrhynchos (Bleeker, 1856)<br />

3<br />

2<br />

1<br />

Other names: Longnose Blacktail Shark (English), Cucut Lanjaman, Hiu Bujit, Merak<br />

Bulu, Hiu Lonjor (Indonesian), Yu Ekor Hitam (Malaysian)<br />

Identifying features:<br />

1 a wide, black posterior caudal-fin margin<br />

2 interdorsal ridge usually absent (sometimes weak)<br />

3 1 st dorsal fin relatively tall, its origin over pectoral-fin free rear tips<br />

4 snout broadly rounded (viewed ventrally)<br />

5 upper teeth long, narrowly triangular, with notch on one edge<br />

6 lower teeth narrow, more erect than uppers<br />

Size: To at least 255 cm, usually


C a r c h a r h i n i f o r m e s 91<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Galeolamna tufiensis Whitley, 1949; specimen figured as Carcharhinus<br />

galapagensis (Snodgrass & Heller) in Yano et al. (2005) is most likely a juvenile male of<br />

this species.<br />

References: None.<br />

4<br />

Ventral head<br />

In Borneo: Patchily distributed, but<br />

probably widespread. Recorded off<br />

Sabah, Sarawak, and eastern and western<br />

Kalimantan.<br />

1<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Embryo (67 cm)<br />

Upper tooth<br />

5<br />

6<br />

Lower tooth


92 S h a r k s a n d R a y s o f B o r n e o<br />

Borneo Shark<br />

Carcharhinus borneensis (Bleeker, 1858)<br />

3<br />

2<br />

1<br />

Other names: None (English), Hiu (Indonesian), Yu Borneo (Malaysian)<br />

Identifying features:<br />

1 2 nd dorsal fin very low (height 2.2–2.5 in inner margin), its origin over midbase of<br />

anal fin<br />

2 interdorsal ridge absent<br />

3 1 st dorsal-fin inner margin relatively long, about half of fin base<br />

4 snout very long and pointed (viewed ventrally), not strongly calcified<br />

5 hyomandibular pores conspicuously enlarged alongside mouth corners<br />

6 upper teeth serrated with a narrow, oblique cusp and large basal cusplets<br />

7 lower teeth with an erect to oblique cusp and weak cusplets<br />

8 upper and lower tooth rows 11–12<br />

Size: To at least 65 cm; males mature at about 55–58 cm.<br />

Distribution: Known from off Malaysia, China, and possibly Indonesia and the<br />

Philippines but range probably now more restricted.<br />

Habitat and biology: A rarely caught coastal and inshore species. Biology and habitat<br />

virtually unknown.<br />

Utilisation: Presumably caught on line; used for its meat but of limited value due to its<br />

small size and restricted distribution.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: Specimen figured as Carcharhinus borneensis in Yano et al. (2005) is a<br />

juvenile Rhizoprionodon acutus (Rüppell).<br />

References: White et al. (2010a).


C a r c h a r h i n i f o r m e s 93<br />

4<br />

Upper tooth<br />

Lower tooth<br />

Ventral head<br />

5<br />

6<br />

7<br />

In Borneo: Presently known only<br />

from Mukah (Sarawak); type collected<br />

in the 19 th century from northwestern<br />

Kalimantan.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)


94 S h a r k s a n d R a y s o f B o r n e o<br />

Spinner Shark<br />

Carcharhinus brevipinna (Müller & Henle, 1839)<br />

1<br />

2<br />

Other names: Longnose Grey <strong>Whaler</strong>, Inkytail Shark, Smoothfang Shark (English),<br />

Hiu Bujit, Hiu Plen, Merak Bulu, Cucut Lanjaman (Indonesian), Yu Muncung Panjang<br />

(Malaysian)<br />

Identifying features:<br />

1 1 st dorsal-fin usually slightly behind pectoral-fin free rear tips<br />

2 interdorsal ridge absent<br />

3 snout long and pointed (viewed ventrally)<br />

4 all fins, except pelvics, with conspicuous black tips in specimens over 1 m<br />

5 upper labial furrows conspicuous<br />

6 upper and lower teeth similar, nearly symmetrical, with a very low and narrow, erect<br />

cusp<br />

Size: To about 300 cm; both sexes mature at about 190–200 cm; born at 60–81 cm.<br />

Distribution: Tropical and warm temperate waters of the Indian, western Pacific and<br />

Atlantic Oceans.<br />

Habitat and biology: Generally found nearshore to at least 75 m depth on the<br />

continental shelf. Viviparous, with a yolk-sac placenta; gives birth every second year to<br />

litters of 3–15 pups after a 10–12 month gestation period. Both sexes mature at 8–10<br />

years. Diet consists primarily of small pelagic fishes, and smaller quantities of<br />

cephalopods. An active schooling species capable of spinning out of the water during<br />

feeding runs through fish schools.<br />

Utilisation: Caught by longlining, with juveniles a very abundant component of<br />

inshore gillnet fisheries in parts of Indonesia. Used for its fins, meat, skin and cartilage.<br />

Conservation status: IUCN Red List: Near Threatened.


C a r c h a r h i n i f o r m e s 95<br />

Local synonyms: Carcharias (Prionodon) brevipinna Bleeker, 1853.<br />

References: None.<br />

3<br />

5 In Borneo: Probably widespread.<br />

Ventral head<br />

Upper tooth<br />

6<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth<br />

Lateral head


96 S h a r k s a n d R a y s o f B o r n e o<br />

Whitecheek Shark<br />

Carcharhinus dussumieri (Müller & Henle, 1839)<br />

1<br />

2<br />

3<br />

Other names: Widemouth Blackspot Shark (English), Cucut Lanjaman, Hiu Bujit<br />

(Indonesian), Yu Pasir (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal fin moderately tall, broad, not falcate<br />

2 low interdorsal ridge usually present<br />

3 only 2 nd dorsal fin with a black tip (usually covering about half of fin)<br />

4 snout rather long, broadly parabolic (viewed ventrally)<br />

5 upper teeth with strongly oblique cusp, flanked on one side by strong, serrated<br />

cusplets<br />

6 lower teeth narrow, upright, no cusplets<br />

Size: To at least 94 cm; both sexes mature at about 70–75 cm; born at 34–40 cm.<br />

Distribution: Tropical waters of the Indo–West Pacific, from the Red Sea to northern<br />

Australia, New Guinea and Japan.<br />

Habitat and biology: A common demersal inshore species from close inshore to<br />

about 170 m depth. Viviparous, with a yolk-sac placenta; gives birth each year to litters<br />

of 2 (maximum 4) pups after an unknown gestation period; no reproductive<br />

seasonality. Diet consists primarily of fish, and to a lesser extent crustaceans and<br />

cephalopods. Molecular analysis has identified the existence of several forms in the<br />

Indo–Pacific that could be separate species.<br />

Utilisation: Commonly caught by bottom trawl and demersal gillnet fisheries. Used for<br />

its fins and meat but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Near Threatened.


C a r c h a r h i n i f o r m e s 97<br />

Local synonyms: Carcharias (Prionodon) tjutjot Bleeker, 1852; Carcharias (Prionodon)<br />

javanicus Bleeker, 1852.<br />

References: None.<br />

4<br />

Upper tooth<br />

Ventral head<br />

5<br />

In Borneo: Widespread.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth<br />

6


98 S h a r k s a n d R a y s o f B o r n e o<br />

Silky Shark<br />

Carcharhinus falciformis (Müller & Henle, 1839)<br />

1<br />

2<br />

3<br />

Other names: None (English), Mungsing, Hiu Lonjor, Cucut Lanjaman, Hiu Bujit,<br />

Hiu Lanyam (Indonesian), Yu Jereh, Yu Pasir (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal-fin origin well behind pectoral-fin free rear tips<br />

2 interdorsal ridge present<br />

3 2 nd dorsal-fin low with very long inner margin, 1.6–3.0 times its height<br />

4 snout rather long, narrowly rounded (viewed ventrally)<br />

5 upper teeth narrow with one edge prominently notched<br />

6 lower teeth narrow, upright<br />

Size: To about 350 cm, but usually


C a r c h a r h i n i f o r m e s 99<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Aprionodon sitankaiensis Herre, 1934.<br />

References: None.<br />

4<br />

Upper tooth<br />

Ventral head<br />

5<br />

In Borneo: Eastern Sabah, and northwestern<br />

and eastern Kalimantan; probably<br />

widespread.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth<br />

6


100 S h a r k s a n d R a y s o f B o r n e o<br />

Bull Shark<br />

Carcharhinus leucas (Müller & Henle, 1839)<br />

2<br />

1<br />

3<br />

Other names: River <strong>Whaler</strong>, Freshwater <strong>Whaler</strong> (English), Cucut Bekeman, Hiu Buas,<br />

Hiu Bujit (Indonesian), Jerung Sapi, Yu Jerung (Malaysian)<br />

Identifying features:<br />

1 2 nd dorsal fin relatively large (about a third height of 1 st dorsal fin)<br />

2 interdorsal ridge absent<br />

3 notch on posterior margin of anal fin not acute (usually 90º or more)<br />

4 snout very short and broadly rounded (viewed ventrally), preoral length less than<br />

internarial space<br />

5 upper teeth triangular, edges heavily serrated<br />

6 lower teeth narrowly triangular, erect<br />

7 usually 12 tooth rows on each side of lower jaw<br />

Size: To at least 400 cm; males and females mature at 197–226 and 180–230 cm<br />

respectively; born at 55–80 cm.<br />

Distribution: Cosmopolitan in most tropical and warm temperate waters, including<br />

freshwater and brackish rivers and lakes.<br />

Habitat and biology: A coastal, estuarine and freshwater shark, occurring near the<br />

bottom to depths of at least 150 m. Viviparous, with a yolk-sac placenta; gives birth to<br />

litters of 1–13 pups after a 10–11 month gestation period. Both sexes mature at about<br />

20 years and attain 50 years, in South African populations. Omnivorous, diet includes<br />

turtles, crocodiles, birds, dolphins, terrestrial mammals and crustaceans, but prefers bony<br />

fishes and elasmobranchs. An extremely aggressive shark that has frequently attacked<br />

humans. Molecular analysis has identified slight population differences between Indo–<br />

Pacific and Atlantic forms.


C a r c h a r h i n i f o r m e s 101<br />

Utilisation: Landed occasionally by coastal longline and gillnet fisheries. Used for its<br />

fins, meat, skin, jaws and cartilage.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: None.<br />

4<br />

Ventral head<br />

In Borneo: Widespread, concentrated<br />

near major river outflows.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Juvenile (86 cm)<br />

Upper tooth<br />

6<br />

5<br />

Lower tooth


102 S h a r k s a n d R a y s o f B o r n e o<br />

Common Blacktip Shark<br />

Carcharhinus limbatus (Müller & Henle, 1839)<br />

4<br />

1<br />

2<br />

4<br />

4<br />

4<br />

4<br />

Other names: Blacktip <strong>Whaler</strong> (English), Hiu Kejen, Merak Bulu, Cucut Lanjaman,<br />

Hiu Lanyam, Hiu Bujit (Indonesian), Yu Trihitam, Yu Jereh, Yu Kepak Hitam (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal-fin origin above or just behind pectoral-fin insertions<br />

2 interdorsal ridge absent<br />

3 snout long and pointed (viewed ventrally), internarial space 1.3–1.7 times preoral<br />

snout<br />

4 juveniles with obvious black fin tips (dorsal, pectoral and lower lobe of caudal fin<br />

plain in specimens >130 cm)<br />

5 upper labial furrows short, barely noticeable<br />

6 upper and lower teeth similar, nearly symmetrical, with an erect, narrow cusp<br />

Size: To at least 250 cm; males and females mature at 165–180 and 183–194 cm<br />

respectively; born at 40–70 cm.<br />

Distribution: Cosmopolitan in tropical and warm temperate waters.<br />

Habitat and biology: Mainly pelagic over continental and insular shelves, usually<br />

inshore, but occasionally found well offshore. Viviparous, with a yolk-sac placenta; gives<br />

birth every two years to litters of about 4–7 pups (maximum 10) after a 10–12 month<br />

gestation period. Males and females mature at 6–7 and 5–6 years respectively. Diet<br />

consists primarily of bony fishes and elasmobranchs, as well as crustaceans and cephalopods.<br />

Harmless to humans, unless stimulated by food. Molecular analysis has identified<br />

differences between Indo–Pacific and Atlantic forms that could be separate species.


C a r c h a r h i n i f o r m e s 103<br />

Utilisation: Caught by longline and inshore gillnet fisheries. Used for its fins, meat, skin<br />

and cartilage.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Carcharias (Prionodon) pleurotaenia Bleeker, 1852.<br />

References: None.<br />

3<br />

Ventral head<br />

5<br />

In Borneo: Widespread.<br />

Upper tooth<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

6<br />

Lateral head<br />

Lower tooth


104 S h a r k s a n d R a y s o f B o r n e o<br />

Hardnose Shark<br />

Carcharhinus macloti (Müller & Henle, 1839)<br />

3<br />

2<br />

1<br />

Other names: None (English), Hiu Aron (Indonesian), Yu Muncung Keras, Yu Jereh,<br />

Yu Pasir (Malaysian)<br />

Identifying features:<br />

1 2 nd dorsal-fin origin about over midbase of anal fin<br />

2 interdorsal ridge absent<br />

3 1 st dorsal-fin inner margin extremely long, about two thirds of fin base<br />

4 snout long and pointed (viewed ventrally); rostrum very hard and strongly calcified<br />

5 upper teeth with narrow, oblique or nearly erect central cusp, bordered by strong<br />

cusplets<br />

6 lower teeth tall, narrow, upright, smooth edged<br />

Size: To at least 110 cm; males and females mature at 70–75 cm; born at 40–45 cm.<br />

Distribution: Tropical Indo–West Pacific, from eastern Africa to northern Australia and<br />

New Guinea.<br />

Habitat and biology: Occurs from close inshore to at least 170 m depth, sometimes in<br />

large aggregations. Viviparous, with a yolk-sac placenta; gives birth every second year to<br />

litters of usually 2 pups after a gestation period of about 12 months. Diet consists<br />

primarily of small fishes, but also cephalopods and crustaceans.<br />

Utilisation: Caught occasionally by inshore demersal gillnet fisheries. Used for its fins<br />

and meat, but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: None.


C a r c h a r h i n i f o r m e s 105<br />

4<br />

Upper tooth<br />

Ventral head<br />

5<br />

In Borneo: Patchy, off Sarawak, Sabah<br />

and eastern Kalimantan.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth<br />

6


106 S h a r k s a n d R a y s o f B o r n e o<br />

Blacktip Reef Shark<br />

Carcharhinus melanopterus (Quoy & Gaimard, 1824)<br />

1<br />

2<br />

3<br />

7<br />

Other names: Blacktip Shark, Guliman (English), Hiu Mada, Kluyu Karang, Hiu<br />

Bujit (Indonesian), Yu Sirip Hitam, Yu Kepak Hitam, Yu Nipah (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal fin with a thick black tip (its inner edge sharply defined and often<br />

bordered by white area)<br />

2 interdorsal ridge absent<br />

3 distinct pale stripe along each flank<br />

4 snout very short, broadly rounded (viewed ventrally), preoral length subequal to<br />

internarial space<br />

5 upper teeth with narrow, oblique central cusp and low basal cusplets<br />

6 lower teeth narrow, upright to oblique, edges finely serrated<br />

7 caudal fin lower lobe with thick black tip (other fins often with smaller black tips)<br />

Size: To at least 142 cm; both sexes mature at 95–110 cm; born at 35–50 cm.<br />

Distribution: Tropical Indo–West Pacific and Central Pacific, from southeastern Africa<br />

to the Central Pacific Islands, and eastern Mediterranean.<br />

Habitat and biology: One of the most common reef sharks, usually living in lagoons<br />

and near the fringes of reefs. Viviparous, with a yolk-sac placenta; gives birth each year<br />

to litters of 2–4 pups after an 8–9 month gestation period (breeds every second year in<br />

Aldabra, Western Indian Ocean). Diet consists primarily of fishes, but also cephalopods,<br />

crustaceans and other molluscs. Not regarded as dangerous but has been known to<br />

attack waders and spearfishers.


C a r c h a r h i n i f o r m e s 107<br />

Utilisation: Caught by shallow-set lines and nets, and probably adversely affected by<br />

dynamite fishing in the region. Used for its fins and meat.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: None.<br />

4<br />

Ventral head<br />

In Borneo: Widespread.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Upper tooth<br />

5<br />

Lower tooth<br />

6


108 S h a r k s a n d R a y s o f B o r n e o<br />

Sandbar Shark<br />

Carcharhinus plumbeus (Nardo, 1827)<br />

3<br />

1<br />

2<br />

Other names: Thickskin Shark, Brown Shark (English), Hiu Teteri, Cucut Lanjaman<br />

(Indonesian), Yu Kulit Tebal (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal fin very broad and tall, more than half of predorsal length (smaller in<br />

newborns)<br />

2 interdorsal ridge present<br />

3 origin of 1 st dorsal-fin over or just anterior to pectoral-fin insertion<br />

4 snout rather long and broadly rounded (viewed ventrally)<br />

5 upper teeth broadly triangular, cusp erect to slightly oblique<br />

6 lower teeth narrow, upright, edges finely serrated<br />

Size: To at least 240 cm; males and females mature at 130–180 cm and 145–185 cm<br />

respectively; born at 52–75 cm.<br />

Distribution: Cosmopolitan, but patchy, in tropical and warm temperate waters.<br />

Habitat and biology: Occurs over continental and insular shelves, and adjacent deep<br />

water, from the intertidal to depths of at least 280 m, usually near the bottom in 20–<br />

60 m depth. Viviparous, with a yolk-sac placenta; gives birth every two or three years<br />

to litters of 5–12 (maximum 14) pups after a 12 month gestation period. Males and<br />

females mature at 14 and 16 years respectively, in Australian populations. Diet consists<br />

primarily of fishes, but also cephalopods and crustaceans. Not reported to be dangerous<br />

to humans. Molecular analysis has identified differences between Indo–Pacific and<br />

Atlantic forms that could be separate species.


C a r c h a r h i n i f o r m e s 109<br />

Utilisation: Occasionally caught in the shark longline and tuna gillnet fisheries. Used<br />

for its fins (high value in adults), meat, skin and cartilage.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: None.<br />

4<br />

Upper tooth<br />

Ventral head<br />

5<br />

In Borneo: Off Sabah, Sarawak and<br />

Brunei, but probably more widespread.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth<br />

6


110 S h a r k s a n d R a y s o f B o r n e o<br />

Blackspot Shark<br />

Carcharhinus sealei (Pietschmann, 1913)<br />

1<br />

2<br />

3<br />

Other names: None (English), Cucut Lanjaman (Indonesian), Yu Pasir (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal fin moderately tall, moderately falcate<br />

2 low interdorsal ridge usually present<br />

3 only 2 nd dorsal fin with a black tip (covering more than half of fin, often extending<br />

onto body)<br />

4 snout rather long, narrowly parabolic (viewed ventrally)<br />

5 upper teeth with strongly oblique cusp, flanked on one side by strong, smooth-edged<br />

cusplets<br />

6 lower teeth narrow, upright, usually with conspicuous cusplets<br />

Size: To at least 95 cm; males and females mature at >80 cm and 68–75 cm respectively;<br />

born at 33–45 cm.<br />

Distribution: Tropical Indo–West Pacific, from southeastern Africa to New Guinea<br />

and China (not found in Australian waters).<br />

Habitat and biology: A common coastal species, demersal in inshore waters from the<br />

surf zone down to at least 40 m depth. Viviparous, with a yolk-sac placenta; gives birth<br />

to litters of 1 or 2 pups after a gestation period of ~9 months; fast growing, matures<br />

after 1 year and maximum age about 5 years. Diet consists of small fishes, crustaceans<br />

and cephalopods. Not dangerous to humans.<br />

Utilisation: Caught frequently off Sarawak and northwestern Kalimantan by trawl and<br />

gillnet fisheries. Used for its fins and meat but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Near Threatened.


C a r c h a r h i n i f o r m e s 111<br />

Local synonyms: Carcharias borneensis Seale, 1910.<br />

References: None.<br />

4<br />

Upper tooth<br />

Ventral head<br />

5<br />

In Borneo: Widespread, but no current<br />

records from southwestern Kalimantan.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth<br />

6


112 S h a r k s a n d R a y s o f B o r n e o<br />

Spot-tail Shark<br />

Carcharhinus sorrah (Müller & Henle, 1839)<br />

2<br />

1 3<br />

1<br />

1<br />

Other names: Sorrah Shark, School Shark (English), Cucut Lanjaman, Hiu Bujit,<br />

Lanyam, Merak Bulu, Mungsing (Indonesian), Yu Kepak Hitam (Malaysian)<br />

Identifying features:<br />

1 2 nd dorsal, pectoral and ventral tip of caudal fin strikingly black-tipped<br />

2 interdorsal ridge present<br />

3 2 nd dorsal fin very low, inner margin extremely long (2.0–2.6 times fin height)<br />

4 snout long and moderately pointed (viewed ventrally)<br />

5 upper teeth with oblique cusp, flanked on one side by strong cusplets<br />

6 lower teeth narrow, oblique, without cusplets<br />

Size: To at least 160 cm; males and females mature at 90–115 cm and 95–118 cm<br />

respectively; born at 50–55 cm.<br />

Distribution: Tropical Indo–West Pacific, from southeastern Africa to northern<br />

Australia, Solomon Islands and Japan.<br />

Habitat and biology: A common shark, particularly off western Borneo; occurring<br />

over continental and insular shelves, including around coral reefs, from the intertidal to<br />

at least 80 m depth. Viviparous, with a yolk-sac placenta; giving birth each year to<br />

litters of about 3–8 pups after a 10 month gestation period. Growth rapid with both<br />

sexes maturing at about 2–3 years. Diet consists primarily of bony fishes, but also<br />

cephalopods and crustaceans. Not dangerous to humans.<br />

Utilisation: Common catch of the shark longline and inshore gillnet fisheries. Used<br />

widely for its fins, meat, skin and cartilage.<br />

Conservation status: IUCN Red List: Near Threatened.


C a r c h a r h i n i f o r m e s 113<br />

Local synonyms: Specimen figured as Carcharhinus hemiodon (Müller & Henle) in Yano<br />

et al. (2005) appears to be an adult male of this species.<br />

References: None.<br />

4<br />

Upper tooth<br />

Ventral head<br />

5<br />

In Borneo: Widespread.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth<br />

6


114 S h a r k s a n d R a y s o f B o r n e o<br />

Tiger Shark<br />

Galeocerdo cuvier (Péron & Lesueur, 1822)<br />

2 1<br />

3<br />

Other names: None (English), Mungsing Jara, Hiu Macan, Hiu Omas (Indonesian), Yu<br />

Tenggiri, Yu Giling, Jerung Tenggiri (Malaysian)<br />

Identifying features:<br />

1 dark, vertical bars on sides (less distinct in adults)<br />

2 spiracle present, small and slit-like<br />

3 caudal peduncle with a low, rounded, lateral keel<br />

4 snout very short and bluntly rounded (viewed ventrally)<br />

5 upper labial furrows very long, subequal to preoral length<br />

6 teeth in both jaws heavily serrated, cockscomb-shaped, one edge deeply notched, the<br />

other convex<br />

Size: To at least 600 cm (one record of 740 cm); males and females mature at 300–305<br />

and 250–350 cm respectively; born at about 51–76 cm.<br />

Distribution: Cosmopolitan in all tropical seas, making seasonal incursions into warm<br />

temperate areas.<br />

Habitat and biology: Occurs close inshore to the outer continental shelf, including the<br />

intertidal zone and surface, to at least 150 m depth. The only non-placental whaler shark;<br />

viviparous, with histotrophy; gives birth to litters of an average of 33 pups (maximum 82)<br />

after a 12–16 month gestation period. Males and females mature at 7–8 and 7–12 years<br />

respectively. Omnivorous, feeding on a broad variety of prey including fishes, elasmobranchs,<br />

dugongs, birds, turtles, snakes, dolphins, birds, crustaceans and cephalopods.<br />

Potentially very dangerous to humans given its large size and presence close inshore, but<br />

normally not aggressive. Probably belongs to its own family of sharks.


C a r c h a r h i n i f o r m e s 115<br />

Utilisation: Caught occasionally by the shark longline, tangle net and bottom trawl<br />

fisheries. Valuable for its fins, meat, skin, jaws and cartilage.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Carcharias (Prionodon) fasciatus Bleeker, 1852; Galeocerdo fasciatus van<br />

Kampen, 1907.<br />

References: None.<br />

4<br />

5<br />

Ventral head<br />

In Borneo: Almost certainly widespread;<br />

current records are from off Sarawak,<br />

Sabah and eastern Kalimantan.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Upper tooth<br />

6<br />

Lower tooth


116 S h a r k s a n d R a y s o f B o r n e o<br />

Mukah River Shark<br />

Glyphis sp.<br />

5<br />

4<br />

2<br />

6<br />

1<br />

5<br />

5<br />

Other names: None (English), none (Indonesian), Yu Sungai (Malaysian)<br />

Identifying features:<br />

1 precaudal pits longitudinal (not crescentic)<br />

2 2 nd dorsal fin only moderately tall, slightly less than half height of 1 st dorsal fin<br />

3 eyes moderately large<br />

4 1 st dorsal-fin free rear tip just anterior to pelvic-fin origins<br />

5 fins plain<br />

6 2 nd dorsal-fin posterior margin moderately concave<br />

7 waterline (demarcation of dark dorsal and pale ventral colours) sharp, extending<br />

through level of mid-eye on head<br />

Size: Known from two immature males of 610 and 658 mm. An adult male Glyphis<br />

(1660 mm) caught in Sampit Bay (South Kalimantan) is possibly conspecific.<br />

Distribution: Possibly endemic to waters of Borneo.<br />

Habitat and biology: Very rare; probably occurs in turbid rivers, brackish backwaters<br />

and marine areas adjacent to major river outflows. Biology unknown; presumably viviparous,<br />

with yolk-sac placenta. Diet also unknown, presumably primarily bony fishes.<br />

Conservation status needs investigating, likely to be highly threatened.<br />

Utilisation: Caught rarely. Probably utilised for its meat and fins where caught.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: None.


C a r c h a r h i n i f o r m e s 117<br />

References: Fahmi & Adrim (2009); Compagno et al. (2010).<br />

3<br />

7<br />

Lateral head<br />

In Borneo: Known from only two<br />

specimens collected from Mukah in<br />

Sarawak. A specimen collected from<br />

Sampit Bay in south Kalimantan may<br />

also represent this species.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)


118 S h a r k s a n d R a y s o f B o r n e o<br />

Borneo River Shark<br />

Glyphis fowlerae Compagno, White & Cavanagh, 2010<br />

3<br />

7<br />

4<br />

2<br />

6<br />

1<br />

5<br />

5<br />

Other names: None (English), none (Indonesian), Yu Sungai (Malaysian)<br />

Identifying features:<br />

1 precaudal pits longitudinal (not crescentic)<br />

2 2 nd dorsal fin tall, half to three fifths of 1 st dorsal-fin height<br />

3 eyes noticeably small<br />

4 1 st dorsal-fin free rear tip just anterior to pelvic-fin origins<br />

5 fins mainly plain, except for dark patch on pectoral-fin bases and dusky tip on<br />

ventral caudal-fin lobe<br />

6 2 nd dorsal-fin posterior margin nearly straight or shallowly concave<br />

7 waterline (demarcation of dark dorsal and pale ventral colours) diffuse, extending<br />

below eye on head<br />

8 lower anterior teeth with an entirely serrated cusp, no spear-like tips; total tooth row<br />

counts 60–63<br />

9 total vertebral centra 196–205, precaudal centra 108–114<br />

Size: To at least 200 cm; born at about 50 cm.<br />

Distribution: Endemic to waters of Borneo.<br />

Habitat and biology: Very rare; occurs in turbid rivers and brackish backwaters.<br />

Biology essentially unknown; presumably viviparous, with yolk-sac placenta. Diet also<br />

unknown, presumably primarily bony fishes. Conservation status needs investigating,<br />

likely to be highly threatened.<br />

Utilisation: Caught infrequently, and only in specific locations, by artisanal fishers using


C a r c h a r h i n i f o r m e s 119<br />

lines and gill nets in the Kinabatangan River. Utilised for its meat.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Glyphis sp. B: Compagno & Niem (1998); Compagno et al. (2005);<br />

Glyphis sp.: Yano et al. (2005).<br />

References: Compagno et al. (2010).<br />

7<br />

Ventral head<br />

3<br />

In Borneo: Recorded only from the<br />

Kinabatangan River, northeastern Sabah.<br />

Upper tooth<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lateral head<br />

Lower tooth<br />

8


120 S h a r k s a n d R a y s o f B o r n e o<br />

Borneo Broadfin Shark<br />

Lamiopsis tephrodes (Fowler, 1905)<br />

3<br />

2<br />

1<br />

4<br />

Other names: None (English), Hiu Bujit (Indonesian), Yu Sirip Lebar (Malaysian)<br />

Identifying features:<br />

1 precaudal pits longitudinal (not crescentic)<br />

2 2 nd dorsal fin very tall, similar to height of 1 st dorsal fin<br />

3 interdorsal ridge absent<br />

4 pectoral fin long with a very broad base<br />

5 snout rather long, parabolic (viewed ventrally)<br />

6 upper teeth with a high, broadly triangular, erect to weakly oblique cusp<br />

7 lower teeth with an erect, high, hooked, smooth-edged cusp<br />

Size: To at least 157 cm; males and females mature at about 114 and 130 cm respectively;<br />

born at 40–60 cm.<br />

Distribution: Not well defined; tropical waters of the Indo–Malay Archipelago, north<br />

to China.<br />

Habitat and biology: Probably a range-restricted shark occurring in shallow coastal<br />

and inshore waters, usually with high turbidity. Viviparous, with a yolk-sac placenta;<br />

gives birth to litters of 4–8 (usually 8) pups after a gestation period of about 8 months.<br />

Dietary composition not known, but probably consists of small fishes, crustaceans and<br />

cephalopods. Harmless to humans.<br />

Utilisation: Caught irregularly by inshore gillnets at locations influenced by runoff<br />

from rivers. Used for its fins and meat.<br />

Conservation status: IUCN Red List: Not Evaluated.


C a r c h a r h i n i f o r m e s 121<br />

Local synonyms: Lamiopsis temmincki (Müller & Henle): Yano et al. (2005), White et al.<br />

(2006b); Carcharhinus microphthalmus Chu, 1960.<br />

References: White et al. (2010c).<br />

5<br />

Upper tooth<br />

Ventral head<br />

6<br />

In Borneo: Occurs around the Borneo<br />

coastline, but more common at particular<br />

localities, such as Mukah (Sarawak).<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth<br />

7


122 S h a r k s a n d R a y s o f B o r n e o<br />

Sliteye Shark<br />

Loxodon macrorhinus Müller & Henle, 1839<br />

1<br />

3<br />

2<br />

5<br />

Other names: Jordan’s Blue Dogshark, Slender Dogshark (English), Hiu Kejen<br />

(Indonesian), Yu Mata Lekuk (Malaysian)<br />

Identifying features:<br />

1 eye large with distinct notch on its posterior edge<br />

2 2 nd dorsal-fin origin over anal-fin insertion<br />

3 1 st dorsal-fin origin well posterior to pectoral-fin free rear tips<br />

4 small and inconspicuous labial furrows<br />

5 preanal ridges very long, equal to anal-fin base length<br />

6 snout very long, parabolic (viewed ventrally)<br />

7 teeth in both jaws similar, with a strongly oblique, narrowly triangular, smoothedged<br />

cusp<br />

Size: To at least 99 cm; males and females mature at about 80–83 and 80–90 cm<br />

respectively; born at 54–55 cm.<br />

Distribution: Tropical waters of the Indo–West Pacific, from southeastern Africa to<br />

Australia and southern Japan.<br />

Habitat and biology: A common species occurring near the bottom in shallow, clear,<br />

inshore waters to at least 100 m depth. Viviparous, with a yolk-sac placenta; gives birth<br />

each year to litters of 2 pups (maximum 4); no reproductive seasonality. Diet consists<br />

primarily of small fishes and crustaceans, as well as cephalopods. Harmless to humans.<br />

Utilisation: Caught frequently by inshore demersal gillnet fisheries. Used for its fins<br />

and meat, but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Least Concern.<br />

Local synonyms: Carcharias (Scoliodon) dumerilii Bleeker, 1856.<br />

References: None.


C a r c h a r h i n i f o r m e s 123<br />

6<br />

4 In Borneo: Mainly northern Borneo; off<br />

Sarawak, Sabah, and eastern and western<br />

Kalimantan.<br />

Ventral head<br />

Upper tooth<br />

Lower tooth<br />

7<br />

Eye<br />

1<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)


124 S h a r k s a n d R a y s o f B o r n e o<br />

Blue Shark<br />

Prionace glauca (Linnaeus, 1758)<br />

4<br />

1 3<br />

2<br />

Other names: Blue <strong>Whaler</strong>, Great Blue Shark (English), Hiu Aer, Hiu Lalaek, Hiu<br />

Karet, Cucut Selendang (Indonesian), Jerung Biru (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal-fin base closer to pelvic-fin base than pectoral-fin base<br />

2 pectoral fins very long and scythe-like<br />

3 caudal peduncle with weak lateral keels<br />

4 dorsal surface indigo blue, ventral surface white<br />

5 snout very long and narrowly rounded (viewed ventrally)<br />

6 upper teeth with a narrow, triangular, oblique and finely serrated cusp<br />

7 lower teeth with a slender, erect, finely serrated cusp<br />

Size: To at least 383 cm; both sexes mature at about 210–220 cm (somewhat variable);<br />

born at 35–50 cm.<br />

Distribution: Cosmopolitan in all tropical and temperate seas.<br />

Habitat and biology: The most wide-ranging of all sharks; typically oceanic and<br />

pelagic, from the surface to at least 600 m depth; capable of long migrations. Viviparous,<br />

with a yolk-sac placenta; gives birth annually or every second year to litters of usually<br />

30–40 pups (maximum 135) after a 9–12 month gestation period. Growth is fairly<br />

rapid with males and females maturing at 4–6 and 5–7 years respectively. Diet consists<br />

primarily of small pelagic fishes and cephalopods, as well as demersal fishes, small sharks<br />

and seabirds. Potentially dangerous to humans, but not particularly aggressive.<br />

Utilisation: Common bycatch of tuna and shark longline fisheries in Indonesia but<br />

infrequently landed by Borneo fishers. Valued for its fins, meat, skin, jaws and cartilage.


C a r c h a r h i n i f o r m e s 125<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: None.<br />

5<br />

Ventral head<br />

In Borneo: Known from a single record<br />

off Sabah; probably more widespread.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Upper tooth<br />

6<br />

Lower tooth<br />

7


126 S h a r k s a n d R a y s o f B o r n e o<br />

Milk Shark<br />

Rhizoprionodon acutus (Rüppell, 1837)<br />

1<br />

2<br />

Other names: Longman’s Dogshark, Fish Shark, White-eye Shark (English), Hiu Pilus,<br />

Hiu Plen, Mungsing, Hiu Pisang (Indonesian), Yu Muncung Susu (Malaysian)<br />

Identifying features:<br />

1 2 nd dorsal fin smaller than anal fin, its origin about opposite anal-fin insertion<br />

2 preanal ridges very long, about equal to anal-fin base length<br />

3 snout long and narrowly rounded (viewed ventrally)<br />

4 upper labial furrows long and prominent, 1.4–2.0% of total length<br />

5 hyomandibular pores alongside mouth corners enlarged in a distinct series, usually<br />

more than 16 in total for both sides<br />

6 teeth in both jaws with an oblique, narrowly triangular cusp<br />

Size: To about 110 cm (a 178 cm individual recorded off Africa); males and females<br />

mature at about 75–79 and 75–83 cm respectively; born at 30–40 cm.<br />

Distribution: Tropical Indo–West Pacific, from southeastern Africa to northern<br />

Australia and southern Japan, and Eastern Atlantic.<br />

Habitat and biology: A common species occurring mainly near the bottom, over<br />

continental and insular shelves, from the intertidal to about 200 m depth. Viviparous,<br />

with a yolk-sac placenta; gives birth each year to litters of usually 2–5 pups (maximum 8)<br />

after a gestation period of about 12 months; no seasonality in its reproductive cycle; size<br />

at birth varies regionally. Diet consists primarily of small fishes, and to a lesser extent<br />

cephalopods and crustaceans. Molecular analysis has identified differences between<br />

Indo-Malay and Australian populations that could be separate species.<br />

Utilisation: Commonly caught by inshore demersal gillnet fisheries. Used for its fins<br />

and meat, but of limited value due to its small size.


C a r c h a r h i n i f o r m e s 127<br />

Conservation status: IUCN Red List: Least Concern.<br />

Local synonyms: Carcharias (Scoliodon) walbeehmi Bleeker, 1856; Carcharias (Prionodon)<br />

sorrahkowah Bleeker, 1854; Carcharhinus borneensis (Bleeker): Yano et al. (2005).<br />

References: None.<br />

3<br />

4<br />

5 In Borneo: Mainly northern Borneo;<br />

from Sabah, Sarawak, and eastern and<br />

western Kalimantan.<br />

Ventral head<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Upper tooth<br />

6<br />

Lower tooth


128 S h a r k s a n d R a y s o f B o r n e o<br />

Grey Sharpnose Shark<br />

Rhizoprionodon oligolinx Springer, 1964<br />

1<br />

2<br />

Other names: None (English), Hiu Pilus, Hiu Pisang (Indonesian), Yu Muncung<br />

Minyak (Malaysian)<br />

Identifying features:<br />

1 2 nd dorsal fin smaller than anal fin, its origin opposite anal-fin insertion<br />

2 preanal ridges very long, about equal to anal-fin base length<br />

3 snout long and narrowly rounded (viewed ventrally)<br />

4 upper labial furrows short, 0.2–1.3% of total length<br />

5 hyomandibular pores alongside mouth corners enlarged in a distinct series, usually<br />

less than 14 in total for both sides<br />

6 teeth in both jaws with an oblique, narrowly triangular cusp<br />

7 small gap often visible at symphysis of upper and lower jaws when mouth closed<br />

(viewed ventrally)<br />

Size: To about 70 cm; males and females mature at about 29–45 and 32–41 cm<br />

respectively; born at 21–26 cm.<br />

Distribution: Tropical Indo–West Pacific, from the Red Sea to Indonesia and southern<br />

Japan (only a single validated record from the Gulf of Carpentaria in northern Australia).<br />

Habitat and biology: A small, common, inshore shark, schooling close inshore to at<br />

least 36 m depth. Viviparous, with a yolk-sac placenta; gives birth to litters of 3–5 pups<br />

after an unknown gestation period. Diet probably consists primarily of small fishes.<br />

Utilisation: Caught by inshore demersal gillnet fisheries. Used for its fins and meat, but<br />

of limited value due to its small size.<br />

Conservation status: IUCN Red List: Least Concern.


C a r c h a r h i n i f o r m e s 129<br />

Local synonyms: Scoliodon intermedius Garman, 1913; specimen figured as Carcharhinus<br />

sp. in Yano et al. (2005) appears to be of a small individual of this species.<br />

References: None.<br />

3<br />

4<br />

7<br />

Ventral head<br />

5<br />

In Borneo: Widely distributed.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Upper tooth<br />

6<br />

Lower tooth


130 S h a r k s a n d R a y s o f B o r n e o<br />

Pacific Spadenose Shark<br />

Scoliodon macrorhynchos (Bleeker, 1852)<br />

2<br />

1 3<br />

5<br />

4<br />

Other names: None (English), Mungsing, Hiu Kejen (Indonesian), Yu Padi, Yu Pasir,<br />

Yu Jereh (Malaysian)<br />

Identifying features:<br />

1 head and snout strongly depressed, trowel-shaped<br />

2 1 st dorsal fin large, closer to pelvic-fin base than to pectoral-fin base<br />

3 2 nd dorsal fin very small, its origin well behind origin of a much larger anal fin<br />

4 pectoral fin very small and triangular (not falcate)<br />

5 caudal fork shallowly concave<br />

6 teeth small with a strongly oblique, smooth-edged, blade-like cusp<br />

Size: To about 74 cm; both sexes mature at 25–36 cm; born at 12–15 cm.<br />

Distribution: Indo–Malayan region eastwards to Borneo, China and Taiwan; extremities<br />

of range need investigating.<br />

Habitat and biology: A common species that is very abundant in coastal waters,<br />

particularly near major freshwater outflows; often forming large schools near the<br />

bottom in rocky habitats. Viviparous, with a yolk-sac placenta; eggs released by females<br />

are very small with small yolk reserves so an unusual placenta and umbilical cord<br />

nourish the pups from a very early stage of the gestation period. Diet presumably<br />

consists primarily of crustaceans and small fishes.<br />

Utilisation: Common bycatch of the inshore demersal trawl and gillnet fisheries,<br />

particularly off Sarawak and Kalimantan. Used for its meat, but of limited value due to<br />

its small size.<br />

Conservation status: IUCN Red List: Not Evaluated.


C a r c h a r h i n i f o r m e s 131<br />

Local synonyms: Scoliodon laticaudus Müller & Henle: Yano et al. (2005), White et al.<br />

(2006b).<br />

References: White et al. (2010b).<br />

1<br />

Ventral head<br />

In Borneo: Mainly off western Borneo,<br />

including Sarawak, and western and eastern<br />

Kalimantan.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Upper tooth<br />

6<br />

Lower tooth


132 S h a r k s a n d R a y s o f B o r n e o<br />

Whitetip Reef Shark<br />

Triaenodon obesus (Rüppell, 1837)<br />

1<br />

2<br />

3<br />

1<br />

Other names: Whitetip Shark, Blunthead Shark (English), Hiu Bokem, Hiu Karang<br />

Buas, Hiu Coklat (Indonesian), Yu Sirip Putih (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal and upper lobe of caudal fin with distinctive white tips<br />

2 interdorsal ridge absent<br />

3 2 nd dorsal fin large, about half to three quarters height of 1 st dorsal fin<br />

4 snout very short, broadly rounded, tip blunt (viewed ventrally)<br />

5 upper and lower teeth smooth-edged with a long, narrow central cusp, flanked either<br />

side by a strong cusplet<br />

Size: To about 200 cm; males and females mature at 112–118 and 114–122 cm respectively;<br />

born at 52–60 cm.<br />

Distribution: Tropical Indo–Pacific from southeastern Africa to Central America,<br />

including the Pacific Islands.<br />

Habitat and biology: A reef-associated shark resting on or near the bottom in caves<br />

and crevices on coral reefs during the day, usually in clear shallow water in depths of<br />

8–40 m, but has also been reported from a depth of 330 m. Viviparous, with a yolk-sac<br />

placenta; gives birth to litters of about 2 or 3 pups (maximum 5) after a 10–12 month<br />

gestation period. Curious but rarely aggressive species. Known to be ciguatoxic in rare<br />

circumstances.<br />

Utilisation: Caught by inshore line and net fisheries, and probably adversely affected by<br />

dynamite fishing. Used for its fins and meat.<br />

Conservation status: IUCN Red List: Near Threatened.


C a r c h a r h i n i f o r m e s 133<br />

Local synonyms: None.<br />

References: None.<br />

4<br />

Upper tooth<br />

Ventral head<br />

5<br />

In Borneo: Mainly northern Borneo;<br />

from Sabah, Sarawak, and northwestern<br />

and eastern Kalimantan.<br />

Carcharhinidae (<strong>Whaler</strong> <strong>Sharks</strong>)<br />

Lower tooth


134 S h a r k s a n d R a y s o f B o r n e o<br />

Winghead Shark<br />

Eusphyra blochii (Cuvier, 1816)<br />

1<br />

2<br />

3<br />

5<br />

Other names: Slender Hammerhead (English), Hiu Capil, Hiu Bingkoh, Hiu Caping,<br />

Hiu Martil (Indonesian), Yu-tukul Palang, Yu Tanduk, Yu Palang, Yu Mata Jauh, Yu<br />

Bengkong, Yu Sanggul (Malaysian)<br />

Identifying features:<br />

1 head extremely broad, wing-shaped, its width about half of total length<br />

2 1 st dorsal fin very tall, strongly falcate<br />

3 origin of 1 st dorsal fin over pectoral-fin bases<br />

4 midline of head with a shallow indentation<br />

5 upper precaudal pit forming a narrow longitudinal groove (not crescentic)<br />

6 teeth similar in both jaws, relatively small, smooth-edged and oblique<br />

Size: To at least 186 cm; males and females mature at about 108 and 120 cm respectively;<br />

born at 32–47 cm.<br />

Distribution: Widepread in the tropical Indo–West Pacific, from the Persian Gulf to<br />

northern Australia and New Guinea, north to Taiwan.<br />

Habitat and biology: Occurs in shallow areas of the continental and insular shelves.<br />

Viviparous, with a yolk-sac placenta; gives birth to litters of 6–25 pups after a gestation<br />

period of 10–11 months. Diet consists primarily of small fishes, but also crustaceans and<br />

some cephalopods.


C a r c h a r h i n i f o r m e s 135<br />

Utilisation: Used for its meat but less important than other hammerheads due to its<br />

small average size.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Zygaena latycephala van Hasselt, 1823.<br />

References: Stevens & Lyle (1989).<br />

4<br />

1<br />

In Borneo: A few records off Sabah,<br />

Sarawak and northwestern Kalimantan<br />

but probably widespread.<br />

Sphyrnidae (Hammerhead <strong>Sharks</strong>)<br />

Ventral head<br />

Upper tooth<br />

6<br />

Lower tooth


136 S h a r k s a n d R a y s o f B o r n e o<br />

Scalloped Hammerhead<br />

Sphyrna lewini (Griffith & Smith, 1834)<br />

1<br />

3<br />

4<br />

6<br />

5<br />

Other names: Kidney-headed Shark (English), Hiu Capil, Hiu Bingkoh, Hiu Caping,<br />

Hiu Martil, Hiu Parang (Indonesian), Yu-tukul Sanggul, Yu Tukul, Yu Palang, Yu Mata<br />

Jauh, Yu Bengkong, Yu Sanggul, Yu Parang (Malaysian)<br />

Identifying features:<br />

1 head broad, its width less than a third of total length<br />

2 anterior margin of head arched, barely indented at midline<br />

3 1 st dorsal fin tall, moderately falcate<br />

4 2 nd dorsal fin short with long rear tip and weakly concave posterior margin<br />

5 anal-fin base barely longer than 2 nd dorsal-fin base<br />

6 upper precaudal pit forming a crescentic groove<br />

7 upper teeth narrowly triangular (erect anteriorly becoming oblique posteriorly)<br />

Size: To at least 350 cm, possibly to 420 cm; males mature at 140–180 cm and females<br />

at 200–230 cm; born at 40–50 cm.<br />

Distribution: Cosmopolitan in all tropical and warm temperate seas.<br />

Habitat and biology: The most abundant tropical hammerhead; occurs over continental<br />

and insular shelves and adjacent deep water, from the surface to at least 275 m depth;<br />

juveniles usually close inshore. Viviparous, with a yolk-sac placenta; gives birth to litters<br />

of 13–41 (mean 25) pups in October to January after a gestation of 9–10 months. Males<br />

and females mature at 7–10 and about 15 years respectively. Diet consists primarily of<br />

bony fishes and cephalopods, but also sharks and rays. Potentially dangerous to humans.<br />

Often form large diurnal aggregations that disperse to deepwater at night to feed. Two<br />

distinct forms have been identified from molecular analysis of Borneo specimens but,


C a r c h a r h i n i f o r m e s 137<br />

although there appear to be differences in the shape of the dark marking on the lower<br />

caudal lobe, these forms have not yet been clearly distinguished based on their morphology.<br />

Utilisation: Retained for their fins, meat and cartilage. Population declines recorded in<br />

some parts of the Indo–West Pacific.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: Zygaena indica van Hasselt, 1823.<br />

References: Stevens & Lyle (1989); White et al. (2008).<br />

2<br />

1<br />

Ventral head<br />

In Borneo: Probably widely distributed,<br />

but few records from southern Kalimantan.<br />

Sphyrnidae (Hammerhead <strong>Sharks</strong>)<br />

Upper tooth<br />

7<br />

Lower tooth


138 S h a r k s a n d R a y s o f B o r n e o<br />

Great Hammerhead<br />

Sphyrna mokarran (Rüppell, 1837)<br />

3<br />

4<br />

6<br />

1<br />

5<br />

Other names: None (English), Hiu Capil, Hiu Bingkoh, Hiu Caping, Hiu Martil, Hiu<br />

Parang (Indonesian), Yu Tukul, Yu Parang (Malaysian)<br />

Identifying features:<br />

1 head broad, its width less than a third of total length<br />

2 anterior margin of head nearly straight, shallowly indented at midline<br />

3 1 st dorsal fin very tall, strongly falcate in adults<br />

4 2 nd dorsal fin tall with short rear tip and strongly concave posterior margin<br />

5 anal-fin base longer than 2 nd dorsal-fin base<br />

6 upper precaudal pit forming a crescentic groove<br />

7 upper teeth triangular and oblique, with serrations<br />

Size: To at least 450 cm (although some records to 600 cm); in Australia, males and<br />

females mature at about 225 and 210–228 cm (mature at a much larger size in South<br />

African populations); born at 50–70 cm.<br />

Distribution: Cosmopolitan in all tropical and warm temperate seas.<br />

Habitat and biology: Continental and insular shelves and semi-oceanic, from the<br />

surface, and from very shallow water, to at least 80 m depth. Viviparous, with a yolksac<br />

placenta; gives birth to litters of 6–42 pups after a gestation period of 11 months.<br />

Diet consists primarily of bony fishes and elasmobranchs, but also cephalopods and<br />

crustaceans. Potentially dangerous to humans and known to intimidate spear fishers<br />

occasionally, but most often timid when observed.<br />

Utilisation: Retained for their fins, meat and cartilage. Large population declines


C a r c h a r h i n i f o r m e s 139<br />

recorded in some areas.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: None.<br />

References: Stevens & Lyle (1989).<br />

2<br />

1<br />

Ventral head<br />

In Borneo: Recorded from Sabah and<br />

Sarawak, but probably widely distributed.<br />

Sphyrnidae (Hammerhead <strong>Sharks</strong>)<br />

Upper tooth<br />

7<br />

Lower tooth


140 S h a r k s a n d R a y s o f B o r n e o<br />

Narrow Sawfish<br />

Anoxypristis cuspidata (Latham, 1794)<br />

3<br />

1<br />

2<br />

Other names: Pointed Sawfish (English), Cucut Gergaji, Hiu Parang, Pamprang,<br />

Parangpang (Indonesian), Yu Gergaji Jarang, Yu Parangan, Beroi, Kan Sua, Yu Gergaji, Yu<br />

Parang, Yu Todak (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal-fin origin well posterior to pelvic-fin origins<br />

2 ventral lobe of caudal fin well developed<br />

3 rostral saw very long and narrow<br />

4 18–23 pairs of rostral teeth<br />

5 rostral teeth absent from base of saw<br />

6 rostral teeth slightly closer together near tip than at middle of saw<br />

Size: To at least 350 cm, records to 600 cm very doubtful; males and females mature at<br />

about 200 and 225 cm respectively; born at about 70 cm.<br />

Distribution: Tropical Indo–West Pacific, from the Red Sea to New Guinea, including<br />

tropical eastern and western Australia, and southern Japan.<br />

Habitat and biology: Demersal in coastal embayments to well offshore (to at least<br />

40 m depth). Juveniles mainly coastal, shallower than 10 m. Viviparous, with yolk-sac<br />

dependency; gives birth to litters of about 15 pups after a 4–5 month gestation. Females<br />

and males mature at 4 and 5 years respectively. Diet probably consists of small fishes and<br />

invertebrates.<br />

Utilisation: Still caught occasionally by demersal tangle net and trawl fisheries in the<br />

Arafura Sea but possibly extinct in parts of the Indo–Pacific. Presumably once used for<br />

its meat, skin and cartilage. The rostral saw has been traditionally kept as a curio.


P r i s t o i d e i 141<br />

Conservation status: IUCN Red List: Critically Endangered; Appendix I of CITES.<br />

Local synonyms: None.<br />

References: Manjaji (2002a, b).<br />

Caudal fin<br />

2<br />

In Borneo: Single records from southern<br />

Kalimantan and near Sandakan, northeastern<br />

Sabah.<br />

Pristidae (Sawfishes)<br />

6<br />

4 5<br />

Ventral head


142 S h a r k s a n d R a y s o f B o r n e o<br />

Freshwater Sawfish<br />

Pristis microdon Latham, 1794<br />

3<br />

1<br />

2<br />

Other names: Great-tooth Sawfish, Wide Sawfish (English), Hiu Gergaji, Hiu<br />

Parang (Indonesian), Yu-gergaji Seragam, Yu Parangan, Yu Gergaji, Yu Parang, Yu Todak<br />

(Malaysian)<br />

Identifying features:<br />

1 1 st dorsal-fin origin well forward of pelvic-fin origins<br />

2 ventral lobe of caudal-fin short, but conspicuous<br />

3 rostral saw short and broad<br />

4 17–23 pairs of rostral teeth<br />

5 rostral teeth present near base of saw<br />

6 rostral teeth near tip and at middle of saw a similar distance apart<br />

Size: Reported to reach about 700 cm, but probably closer to 600 cm; both sexes<br />

maturing at 240–300 cm; born at 70–90 cm.<br />

Distribution: Tropical Indo–West Pacific, from India to New Guinea, including<br />

Australia; poorly defined, possibly more widespread.<br />

Habitat and biology: Lives on or near the bottom in estuaries, rivers and lakes, as well<br />

as coastal marine waters, to depths of at least 60 m; elsewhere, juveniles are most common<br />

in freshwater with large adults in estuaries or the sea. Probably breeds in estuaries.<br />

Viviparous, with yolk-sac dependency; females, which take almost a decade to reach<br />

maturity, have litters of up to 12 pups after a 5 month gestation. Diet probably changes<br />

during its life, consisting mainly of small fishes and demersal invertebrates. Uses saw to<br />

stun prey, and can also inflict serious injury to humans unless handled with care.<br />

Utilisation: Occasionally caught in the Kinabatangan River using demersal gillnets by<br />

artisanal fishers. Highly susceptible to tangle nets and extant populations are likely to be


P r i s t o i d e i 143<br />

seriously depleted. This form of fishing may have been responsible for local extinctions<br />

in other rivers of the region. Once used widely for its fins and meat (both of very high<br />

value), and skin and cartilage. The rostral saw has been traditionally kept as a curio.<br />

Conservation status: IUCN Red List: Critically Endangered; Appendix II of CITES.<br />

Local synonyms: None.<br />

References: Manjaji (2002a, b).<br />

Caudal fin<br />

2<br />

In Borneo: Occurs in the Kinabatangan<br />

River; possibly once more widespread in<br />

larger rivers and adjacent marine bays of<br />

the region.<br />

Pristidae (Sawfishes)<br />

6<br />

4 5<br />

Ventral head


144 S h a r k s a n d R a y s o f B o r n e o<br />

Green Sawfish<br />

Pristis zijsron Bleeker, 1851<br />

3<br />

1<br />

2<br />

Other names: Narrowsnout Sawfish, Sawfish (English), Hiu Gergaji, Hiu Parang<br />

(Indonesian), Yu-gergaji Silih, Yu Parangan, Yu Gergaji, Yu Parang, Yu Todak (Malaysian)<br />

Identifying features:<br />

1 1 st dorsal-fin origin slightly posterior to pelvic-fin origins<br />

2 no obvious ventral caudal-fin lobe<br />

3 rostral saw moderately long and slender<br />

4 24–29 pairs of rostral teeth<br />

5 rostral teeth present near base of saw<br />

6 rostral teeth much closer together near tip than at mid-length of saw<br />

Size: To at least 540 cm, possibly 730 cm; both sexes mature at about 300 cm; born at<br />

about 80 cm.<br />

Distribution: Tropical Indo–West Pacific, from southeastern Africa to New Guinea<br />

and Australia, north in the Pacific to Vietnam.<br />

Habitat and biology: Demersal in coastal bays and estuaries, also well offshore. Viviparous,<br />

with yolk-sac dependency; gives birth to litters of about 12 pups. Matures at about<br />

9 years in Australian populations. Diet consists of small schooling fishes and demersal<br />

invertebrates.<br />

Utilisation: Now caught rarely by demersal gill net and trawlers in the Indonesian<br />

Archipelago. Apparently extinct through much of its range. Once, used widely for its<br />

meat, fins, skin and cartilage. The rostral saw has been traditionally kept as a curio.<br />

Conservation status: IUCN Red List: Critically Endangered; Appendix I of CITES.<br />

Local synonyms: Pristis dubius Bleeker, 1852.<br />

References: Manjaji (2002a, b).


P r i s t o i d e i 145<br />

6<br />

Caudal fin<br />

2<br />

In Borneo: Recent records from central<br />

Sarawak (near Bintulu), and northeastern<br />

(Labuk River) and eastern Sabah (Kinabatangan<br />

River); holotype collected in the<br />

19 th century from southern Kalimantan.<br />

Pristidae (Sawfishes)<br />

4 5<br />

Ventral head


146 S h a r k s a n d R a y s o f B o r n e o<br />

Shark Ray<br />

Rhina ancylostoma Bloch & Schneider, 1801<br />

3<br />

5<br />

1<br />

2<br />

Other names: Bowmouth Guitarfish, Mud Skate (English), Hiu Barong, Kupukupu<br />

Brangkas, Yunbun Karang (Indonesian), Pari-kemejan Kepala Keras, Yu Kemejan<br />

(Malaysian)<br />

Identifying features:<br />

1 1 st dorsal-fin origin slightly anterior to pelvic-fin origin<br />

2 caudal fin lunate, upper and lower lobes almost symmetrical<br />

3 head and snout thick, margin broadly rounded<br />

4 spiracles without skin folds on posterior margin<br />

5 ridges on orbits, mid-body and shoulders bearing clusters of strong thorns<br />

Size: To at least 270 cm; males mature at about 150–175 cm; a 51 cm individual was a<br />

newborn.<br />

Distribution: Widespread in the Indo–West Pacific, from southern Africa to New<br />

Guinea and Australia, and north to southern Japan.<br />

Habitat and biology: Demersal on soft substrates near coastal areas and reefs; to at<br />

least 70 m, but depth distribution is poorly defined. Viviparous, with yolk-sac dependency;<br />

biology poorly known, one pregnant female contained 9 mid-term embryos<br />

(27–31 cm). Diet consists primarily of bottom-dwelling crustaceans and molluscs.<br />

Handling large adults can be hazardous. They create a nuisance to trawl fishers as they<br />

are difficult to remove and their roughness can damage smaller species in the catch.


R h i n o i d e i , R h y n c h o b a t o i d e i & R h i n o b a t o i d e i 147<br />

Utilisation: Caught occasionally by demersal tangle net, and possibly by trawl and<br />

longline fisheries. Used throughout the region for fresh and dried-salted meat, and their<br />

high-value fins.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: Devadoss & Batcha (1995); Frimodt (1995).<br />

5<br />

4<br />

Lateral head<br />

In Borneo: Known from coastal areas of<br />

Sabah, Sarawak, and western and southern<br />

Kalimantan.<br />

Rhinidae (Shark Rays)<br />

3<br />

Ventral head


148 S h a r k s a n d R a y s o f B o r n e o<br />

Whitespotted Wedgefish<br />

Rhynchobatus australiae Whitley, 1939<br />

6<br />

5<br />

2<br />

3<br />

1<br />

4<br />

4<br />

8<br />

Other names: Whitespotted Guitarfish, Whitespot Ray, Whitespot Shovelnose Ray<br />

(English), Paredung, Pangrum, Hiu Lontar, Liongbun, Petong, Hiu Kemenyan, Hiu<br />

Minsong (Indonesian), Pari-kemejan Tompok Putih, Yu Kia-kia (Malaysian)<br />

Identifying features:<br />

1 origin of 1 st dorsal-fin slightly posterior to pelvic-fin origin<br />

2 a diffuse-edged, black spot on each pectoral fin of juveniles (less than 60 cm),<br />

becoming faint or absent in large adults<br />

3 diagonal row of three equidistant white spots usually above black pectoral spot<br />

4 1 st dorsal fin less than 1.5 times height of 2 nd (in adults)<br />

5 no large dark spots over or behind eyes<br />

6 snout bottle-shaped, constricted slightly near tip<br />

7 spiracles with two skin folds on posterior margin<br />

8 caudal fin with a well-developed lower lobe<br />

Size: To at least 270 cm; males and females mature at about 130 and 155 cm respectively;<br />

born at 46–50 cm.<br />

Distribution: Tropical Indo–West Pacific from Taiwan to northern Australia, including the<br />

Philippines; probably wider ranging in the Indian Ocean but currently not well defined<br />

and possibly includes additional unidentified species.<br />

Habitat and biology: Demersal on soft bottoms near the coast and sand patches on<br />

coral reefs, inshore to depths of at least 60 m. Viviparous, with yolk-sac dependency;<br />

gives birth to litters of 7–19 pups after an unknown gestation period; no apparent<br />

reproductive synchronicity. Diet consists primarily of large demersal crustaceans and<br />

molluscs. In the past, has been confused with another large wedgefish, R. djiddensis, from


R h i n o i d e i , R h y n c h o b a t o i d e i & R h i n o b a t o i d e i 149<br />

the Red Sea and western Indian Ocean.<br />

Utilisation: Caught most commonly by demersal tangle net, and occasionally trawl and<br />

longline fisheries. Sought after for its fins and meat, which are both highly valued.<br />

Conservation status: IUCN Red List: Vulnerable; of long-term conservation concern.<br />

Local synonyms: None.<br />

References: None.<br />

6<br />

Ventral head<br />

In Borneo: Mainly western and northern<br />

Borneo.<br />

Rhynchobatidae (Wedgefishes)<br />

7<br />

Dorsal view of eyes<br />

and spiracles


150 S h a r k s a n d R a y s o f B o r n e o<br />

Smoothnose Wedgefish<br />

Rhynchobatus laevis (Bloch & Schneider, 1801)<br />

6<br />

5<br />

2<br />

1<br />

4<br />

4<br />

8<br />

3<br />

Other names: Giant Guitarfish, Sandshark, Shovelnose Shark (English), Paredung,<br />

Pangrum, Hiu Lontar, Liongbun, Petong, Hiu Kemenyan, Hiu Minsong (Indonesian),<br />

Pari Kemejan, Yu Kia-kia (Malaysian)<br />

Identifying features:<br />

1 origin of 1 st dorsal-fin almost over pelvic-fin origin<br />

2 a sharp-edged, black spot on each pectoral fin of juveniles (less than 60 cm), often<br />

forming a ring in large adults<br />

3 black pectoral spot usually closely surrounded by 3 white spots (no diagonal upper<br />

row of spots)<br />

4 1 st dorsal fin exceeding 1.5 times height of 2 nd (in large adults)<br />

5 no large dark spots around eyes<br />

6 snout not obviously constricted near tip<br />

7 spiracles with two skin folds on posterior margin<br />

8 caudal fin with a well-developed lower lobe<br />

Size: Possibly to at least 250 cm, maybe larger; size of maturity and birth presently<br />

unknown.<br />

Distribution: Considered to be widespread in the tropical Indo–West Pacific, from<br />

southeastern Africa to Indonesia, and north to southern Japan. Populations across this<br />

broad region may represent different species; probably not occurring in Australian seas.<br />

Habitat and biology: Demersal on soft bottoms and near coral reefs, as well as inshore<br />

and offshore on the continental shelf. Viviparous, with yolk-sac dependency;<br />

reproduction not well known. Diet probably consists of demersal invertebrates and<br />

small fishes.


R h i n o i d e i , R h y n c h o b a t o i d e i & R h i n o b a t o i d e i 151<br />

Utilisation: Caught occasionally by demersal tangle net, trawl and longline fisheries.<br />

Sought after for its fins and meat, which are both highly valued.<br />

Conservation status: IUCN Red List: Vulnerable; of long-term conservation concern.<br />

Local synonyms: None.<br />

References: None.<br />

6<br />

Ventral head<br />

In Borneo: Recorded from off northeastern<br />

Sabah.<br />

Rhynchobatidae (Wedgefishes)<br />

7<br />

Dorsal view of eyes<br />

and spiracles


152 S h a r k s a n d R a y s o f B o r n e o<br />

Broadnose Wedgefish<br />

Rhynchobatus springeri Compagno & Last, 2010<br />

6<br />

2<br />

4<br />

5 1<br />

4<br />

3<br />

8<br />

Other names: None (English), Paredung, Pangrum, Hiu Lontar, Liongbun, Petong,<br />

Hiu Kemenyan, Hiu Minsong (Indonesian), Pari Kemejan, Yu Kia-kia (Malaysian)<br />

Identifying features:<br />

1 origin of 1 st dorsal-fin above or slightly behind pelvic-fin origin<br />

2 a large, sharp-edged, black spot on each pectoral fin of juveniles and adults<br />

3 black pectoral spot usually closely surrounded by 4–5 white spots (no diagonal upper<br />

row of spots)<br />

4 1 st dorsal fin less than 1.5 times height of 2 nd (in adults)<br />

5 usually with dark markings on and/or behind eyes<br />

6 snout broad with a convex margin<br />

7 spiracles with two skin folds on posterior margin<br />

8 caudal fin with a well-developed lower lobe<br />

Size: Adult males to at least 130 cm, females possibly larger.<br />

Distribution: Poorly defined, probably Thailand, Malaysia, Philippines, Singapore and<br />

Indonesia.<br />

Habitat and biology: Demersal on soft bottoms in coastal bays and estuarine<br />

habitats, otherwise poorly known. Probably viviparous, with yolk-sac dependency. Diet<br />

unknown, but most wedgefishes feed primarily on demersal crustaceans, molluscs and<br />

small fishes.<br />

Utilisation: Caught occasionally by tangle net fishers. Utilised for its meat, fins<br />

(extremely high value) and cartilage.


R h i n o i d e i , R h y n c h o b a t o i d e i & R h i n o b a t o i d e i 153<br />

Conservation status: IUCN Red List: Not Evaluated; of long-term conservation<br />

concern.<br />

Local synonyms: None.<br />

References: Compagno & Last (2010).<br />

6<br />

Ventral head<br />

In Borneo: A few records from brackish<br />

habitats of southern Sarawak.<br />

Rhynchobatidae (Wedgefishes)<br />

7<br />

Dorsal view of eyes<br />

and spiracles


154 S h a r k s a n d R a y s o f B o r n e o<br />

Clubnose Guitarfish<br />

Glaucostegus thouin (Anonymous, 1798)<br />

1<br />

4<br />

2<br />

3<br />

6<br />

Other names: None (English), Cucut Mandrong, Liongbun (Indonesian), Parikemejan<br />

Muncung Panjang, Yu Kemejan, Yu Kia-kia (Malaysian)<br />

Identifying features:<br />

1 snout tip enlarged to form an elongate knob<br />

2 dorsal surface plain, without blotches or spots<br />

3 denticles along midline of dorsal surface distinct<br />

4 clear part of snout sharply demarcated from rest of head near eyes<br />

5 nostrils broad and slit-like with narrow nasal flaps<br />

6 lower lobe of caudal fin short<br />

Size: To about 300 cm; largest observed from the region 240 cm.<br />

Distribution: Widespread in the Indo–West Pacific from the Red Sea through Thailand,<br />

Vietnam, Malaysia, Indonesia, New Guinea and Japan; apparently not known from<br />

Peninsula Malaysia or nearby Philippines.<br />

Habitat and biology: Demersal on insular and continental shelves to about 100 m<br />

depth; local depth information not reliable, reported from inshore but probably more<br />

abundant offshore on the continental shelf. Biology poorly known, presumably viviparous,<br />

with yolk-sac dependency. Diet consists of benthic invertebrates and small fishes.<br />

Utilisation: Caught infrequently by local demersal tangle net and trawl fisheries. Used<br />

opportunistically for its meat and fins (both very high value), as well as skin and cartilage;<br />

an esteemed food fish in India. Likely to become a major conservation concern if fished<br />

at existing levels.<br />

Conservation status: IUCN Red List: Vulnerable.


R h i n o i d e i , R h y n c h o b a t o i d e i & R h i n o b a t o i d e i 155<br />

Local synonyms: Rhinobatos thouin (Anonymous [Lacepède]): Yano et al. (2005), White<br />

et al. (2006b), also misspelled as Rhinobatos thouini.<br />

References: None.<br />

5<br />

Ventral head<br />

In Borneo: Known from Sarawak,<br />

Sabah and southeastern and western<br />

Kalimantan.<br />

Rhinobatidae (Shovelnose Rays)<br />

Lateral tail and dorsal fins<br />

6


156 S h a r k s a n d R a y s o f B o r n e o<br />

Giant Guitarfish<br />

Glaucostegus typus (Bennett, 1830)<br />

1<br />

4<br />

2<br />

3<br />

6<br />

Other names: Common Shovelnose Ray, Giant Shovelnose Ray, Shovelnose Ray,<br />

Shovelnose Shark (English), Hiu Cermin, Paitpait, Pari Bandrong, Pari Gitar, Pari<br />

Kekeh, Petong (Indonesian), Pari-kemejan Muncung Pendek, Yu Pari (Malaysian)<br />

Identifying features:<br />

1 snout tip not forming a knob<br />

2 dorsal surface plain, without blotches or spots<br />

3 denticles along midline of dorsal surface distinct<br />

4 clear part of snout sharply demarcated from rest of head near eyes<br />

5 nostrils broad and slit-like with narrow nasal flaps<br />

6 lower lobe of caudal fin short<br />

Size: To about 270 cm, reports to 400 cm are likely to be erroneous; maturing at 150–<br />

180 cm; born at 38–40 cm.<br />

Distribution: Widespread in the Indo–West Pacific from India through Indonesia to<br />

northern Australia and possibly Melanesia; north in the Pacific to Thailand but now<br />

apparently absent in the Philippines.<br />

Habitat and biology: Demersal on insular and continental shelves, also known from<br />

estuaries and sometimes in freshwater; juveniles occur inshore around mangroves and<br />

atolls, adults occur further offshore to depths of about 100 m. Viviparous, with yolk-sac<br />

dependency; biology poorly known; reportedly able to breed in freshwater. Diet consists<br />

largely of shellfish (prawns and crabs), as well as small fishes and cephalopods.<br />

Utilisation: Caught often by demersal tangle net fisheries, and sometimes by trawling.


R h i n o i d e i , R h y n c h o b a t o i d e i & R h i n o b a t o i d e i 157<br />

Marketed for its meat and fins (both very high value), and skins and cartilage; sold fresh<br />

and possibly dried and salted.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Rhinobatos typus Bennett: Yano et al. (2005), White et al. (2006b).<br />

References: None.<br />

5<br />

Ventral head<br />

In Borneo: Primarily from eastern<br />

Borneo, also known from Sarawak and<br />

western Kalimantan.<br />

Rhinobatidae (Shovelnose Rays)<br />

Lateral tail and dorsal fins<br />

6


158 S h a r k s a n d R a y s o f B o r n e o<br />

Taiwan Guitarfish<br />

Rhinobatos formosensis Norman, 1926<br />

1<br />

2<br />

3<br />

4 6<br />

Other names: None (English), none (Indonesian), Yu Kemejan (Malaysian)<br />

Identifying features:<br />

1 snout tip not forming a knob<br />

2 dorsal surface usually plain (often with faint orange blotches)<br />

3 denticles along midline of dorsal surface very small<br />

4 clear part of snout not sharply demarcated from rest of head near eyes<br />

5 nostrils with broad apertures and wide nasal flaps<br />

6 lower lobe of caudal fin short<br />

7 young covered with small ocelli<br />

Size: To at least 84 cm; males mature by 64 cm; size at birth unknown (late term<br />

embryos up to 20 cm in length).<br />

Distribution: Known from off Malaysian Borneo, the Philippines and Taiwan.<br />

Habitat and biology: Demersal inshore; biology and depth information largely<br />

unknown. Presumably viviparous, with yolk-sac dependency as with other members<br />

of the family. Diet probably consists mainly of bottom-dwelling invertebrates such as<br />

marine worms and shellfishes.<br />

Utilisation: Taken occasionally as bycatch of inshore trawl fisheries. Too rarely caught<br />

to be of value; probably used for its meat when landed.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Rhinobatos cf. schlegelii Müller & Henle: Compagno et al. (2005b).<br />

References: Compagno et al. (2005b).


R h i n o i d e i , R h y n c h o b a t o i d e i & R h i n o b a t o i d e i 159<br />

5<br />

Ventral head<br />

7<br />

Embryo (19 cm)<br />

In Borneo: Off Sarawak and Sabah.<br />

Rhinobatidae (Shovelnose Rays)<br />

1 st dorsal fin 2 nd dorsal fin


160 S h a r k s a n d R a y s o f B o r n e o<br />

Shortlip Numbfish<br />

Narcine brevilabiata Bessednov, 1966<br />

1<br />

3<br />

4<br />

2<br />

5<br />

Other names: Shortlip Electric Ray (English), Pari Listrik, Pari Kontak (Indonesian),<br />

Pari Karan Tompok Besar (Malaysian)<br />

Identifying features:<br />

1 disc subcircular, thick and flabby<br />

2 eyes raised, not embedded in skin<br />

3 two similar-sized dorsal fins<br />

4 dark spots on upper snout numerous, distinctly smaller than eye<br />

5 3–5 pairs of very large, dark blotches on disc<br />

6 exposed part of tooth bands in jaws relatively broad<br />

7 mouth subequal to or only slightly narrower than width between lateral edges of<br />

nostrils<br />

8 ventral surfaces of pelvic and pectoral fins often broadly dark edged<br />

Size: To at least 32 cm.<br />

Distribution: Known from the South China Sea in the Northwest Pacific, from<br />

Malaysia to China; possibly extends north to the East China and Yellow Seas.<br />

Habitat and biology: Demersal on the inner continental shelf, known from depths of<br />

41–70 m. Biology largely unknown, presumably viviparous, with yolk-sac dependency.


T o r p e d i n o i d e i 161<br />

Diet presumably consists of small fishes and benthic invertebrates; mouth can protrude<br />

as a tube to extract prey from the substrate. Like other members of the genus, the<br />

electric <strong>org</strong>ans in the disc are capable of delivering a moderate shock on direct contact.<br />

Utilisation: Caught regularly as bycatch of bottom trawling. A low-grade food species<br />

and used for fish meal.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: Carvalho (1999).<br />

7<br />

6<br />

Mouth and nostrils<br />

In Borneo: Off Sarawak and eastern<br />

Sabah.<br />

Narcinidae (Numbfishes)<br />

Juvenile (14 cm)


162 S h a r k s a n d R a y s o f B o r n e o<br />

Rough Numbfish<br />

Narcine lingula Richardson, 1846<br />

1<br />

4<br />

2<br />

5<br />

3<br />

Other names: Chinese Numbfish, Rough Electric Ray (English), Pari Listrik, Pari<br />

Kontak (Indonesian), none (Malaysian)<br />

Identifying features:<br />

1 disc subcircular to oval, thick and flabby<br />

2 eyes not embedded in skin<br />

3 two similar-sized dorsal fins<br />

4 dark spots on upper snout usually sparse, size similar to eye (atypically smaller)<br />

5 upper disc with greatly enlarged, symmetrically arranged blotches<br />

6 exposed part of tooth bands in jaws relatively narrow<br />

7 mouth subequal to or only slightly narrower than width between lateral edges of<br />

nostrils<br />

8 ventral surfaces of pelvic and pectoral fins not dark edged<br />

Size: To at least 38 cm; males mature at about 24 cm.<br />

Distribution: Patchily distributed in the Indo–West Pacific, possibly from eastern India<br />

to Hong Kong, and south to Java; may consist of more than a single species each with<br />

more restricted ranges.<br />

Habitat and biology: Demersal in shallow inshore waters on the continental shelf.<br />

Biology unknown, presumably viviparous, with yolk-sac dependency. Diet is likely to<br />

consist of small fishes and invertebrates. Numbfishes of the region are not well known<br />

and some names currently used may change as more information becomes available.


T o r p e d i n o i d e i 163<br />

Like other members of the genus, the electric <strong>org</strong>ans in the disc are capable of delivering<br />

a moderate shock on direct contact.<br />

Utilisation: Caught occasionally in the region by bottom trawl. Not considered for<br />

food and used for fish meal.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: None.<br />

References: Carvalho (1999); Carvalho et al. (1999).<br />

7<br />

6<br />

Mouth and nostrils<br />

In Borneo: Uncommon locally, known<br />

from southern Sarawak and eastern<br />

Sabah.<br />

Narcinidae (Numbfishes)


164 S h a r k s a n d R a y s o f B o r n e o<br />

Darkspotted Numbfish<br />

Narcine maculata (Shaw, 1804)<br />

1<br />

2<br />

5<br />

3<br />

4<br />

Other names: Darkfin Numbfish, Darkspotted Electric Ray (English), Pari Listrik,<br />

Pari Kontak (Indonesian), Pari-karan Hitam, Pari Karan, Pari Letrik, Pari Serban<br />

(Malaysian)<br />

Identifying features:<br />

1 disc subcircular, thick and flabby<br />

2 eyes not embedded in skin<br />

3 two similar-sized dorsal fins<br />

4 dark spots on upper snout similar in size to eye<br />

5 upper disc without greatly enlarged, symmetrically arranged blotches<br />

6 exposed part of tooth bands in jaws relatively narrow<br />

7 mouth usually narrower than width between lateral edges of nostrils<br />

8 ventral surfaces of pelvic and pectoral fins not broadly dark edged<br />

Size: To at least 40 cm; males mature at about 24 cm.<br />

Distribution: Widespread in the Indo–West Pacific, from western India to China,<br />

south to Java; possibly wider ranging.<br />

Habitat and biology: Demersal inshore and offshore on the continental shelf, known<br />

from depths to about 70 m. Biology largely unknown, presumably viviparous, with


T o r p e d i n o i d e i 165<br />

yolk-sac dependency. Diet probably consists of small fishes and benthic invertebrates;<br />

mouth can protrude as a tube to extract prey from the substrate. Like other members of<br />

the genus, the electric <strong>org</strong>ans in the disc are capable of delivering a moderate shock on<br />

direct contact.<br />

Utilisation: Only caught rarely by bottom trawl. Considered as low grade for food and<br />

used for fish meal.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: None.<br />

References: Carvalho (1999); Carvalho et al. (1999).<br />

7<br />

6<br />

Mouth and nostrils<br />

In Borneo: Recorded locally from<br />

southern Sarawak; another specimen<br />

recorded in literature from unspecified<br />

locality off Sabah.<br />

Narcinidae (Numbfishes)


166 S h a r k s a n d R a y s o f B o r n e o<br />

Spot-tail Sleeper Ray<br />

Narke dipterygia (Bloch & Schneider, 1801)<br />

2<br />

4<br />

3<br />

1<br />

5<br />

Other names: Numbray, Spot-tail Electric Ray (English), Pari Listrik, Pari Kontak<br />

(Indonesian), Pari Karan (Malaysian)<br />

Identifying features:<br />

1 one dorsal fin<br />

2 eyes very small, partly embedded in skin<br />

3 disc moderately enlarged, its length (measured to cloaca) slightly longer than tail<br />

4 spiracle lateral to eye<br />

5 caudal fin longer than deep<br />

6 nostrils slit-like<br />

7 mouth very small and not strongly arched<br />

8 undersurfaces of disc and pelvic fin uniformly pale<br />

Size: To at least 18 cm; males mature by about 15 cm.<br />

Distribution: Tropical Indo–West Pacific, from Oman to Malaysia and north to Japan;<br />

may occur off Sumatra.<br />

Habitat and biology: Demersal on the continental shelf, both inshore and offshore;<br />

locally in 70–95 m depth. Biology largely unknown, presumably viviparous, with yolksac<br />

dependency. Diet also unknown but probably consists of small invertebrates, such as<br />

polychaetes that live in mud and sand.


T o r p e d i n o i d e i 167<br />

Utilisation: Infrequent bycatch of both inshore and offshore bottom trawl fisheries<br />

operating over soft bottoms on the continental shelf. Not used for food.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: None.<br />

References: Compagno & Last (1999b).<br />

6<br />

7<br />

Mouth and nostrils<br />

In Borneo: Off central Sarawak.<br />

Narkidae (Sleeper Rays)<br />

8<br />

8<br />

Ventral


168 S h a r k s a n d R a y s o f B o r n e o<br />

Finless Sleeper Ray<br />

Temera hardwickii Gray, 1831<br />

4<br />

3<br />

2 1<br />

5<br />

Other names: Finless Electric Ray (English), Pari Listrik, Pari Kontak (Indonesian),<br />

Pari Karan Belangkas, Pari Karas (Malaysian)<br />

Identifying features:<br />

1 no dorsal fins<br />

2 eyes bulging, not embedded in skin<br />

3 disc greatly enlarged, its length (measured to cloaca) much longer than tail<br />

4 spiracle posterior to eye<br />

5 caudal fin about as long as deep<br />

6 nostrils almost circular<br />

7 mouth small and not strongly arched<br />

8 undersurfaces of disc and pelvic fin with broad brownish margins<br />

Size: Dubiously reported to about 46 cm, but mostly less than 15 cm; both sexes<br />

mature at about 11–12 cm.<br />

Distribution: Tropical Indo–West Pacific, from the Andaman Sea off Myanmar to<br />

Singapore, and Vietnam.<br />

Habitat and biology: Demersal on the continental shelf. Biology poorly known,<br />

viviparous, with yolk-sac dependency; one pregnant female had 4 pups. Diet presumably<br />

consists of small invertebrates. Paired electric <strong>org</strong>ans in the disc are capable of delivering


T o r p e d i n o i d e i 169<br />

a moderate shock on direct contact.<br />

Utilisation: Caught rarely by bottom trawl on the continental shelf. Not used for food.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: Compagno & Last (1999b).<br />

6<br />

7<br />

Mouth and nostrils<br />

In Borneo: Single record from the South<br />

China Sea off southwestern Sarawak.<br />

Narkidae (Sleeper Rays)<br />

8<br />

8<br />

Ventral


170 S h a r k s a n d R a y s o f B o r n e o<br />

Kwangtung Skate<br />

Dipturus kwangtungensis (Chu 1960)<br />

3<br />

2<br />

5<br />

1<br />

6<br />

7<br />

4<br />

Other names: None (English), none (Indonesian), Pari Belanda (Malaysian)<br />

Identifying features:<br />

1 pelvic fin divided into two distinct lobes<br />

2 snout supported by a firm cartilage<br />

3 snout narrowly triangular, long (preorbital length 4–5 times orbit diameter)<br />

4 dorsal surface dark brown with cloudy pattern of pale blotches surrounded by spots<br />

5 axil of pectoral fin with similar pattern to rest of disc<br />

6 thorns on tail confined to midline<br />

7 dorsal fins not widely separated<br />

8 most of ventral disc dark brown<br />

Size: To at least 50 cm; size of maturity unknown.<br />

Distribution: Found in the western North Pacific, from Japan, the Korean Peninsula,<br />

Taiwan to Borneo.<br />

Habitat and biology: Demersal on the continental shelf, probably on silty or muddy


R a j o i d e i 171<br />

bottoms. Oviparous, females likely to produce small egg cases with horny extensions at<br />

each corner. Diet probably consists of small crustaceans.<br />

Utilisation: Caught rarely as a bycatch of trawl fisheries.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Raja (Okamejei) hollandi Jordan & Richardson: Yano et al. (2005).<br />

References: Ishihara (1987).<br />

8<br />

1<br />

In Borneo: Off Sarawak.<br />

Rajidae (Skates)<br />

Ventral disc (female)<br />

7<br />

Lateral posterior tail


172 S h a r k s a n d R a y s o f B o r n e o<br />

Borneo Sand Skate<br />

Okamejei cairae Last, Fahmi & Ishihara, 2010<br />

4<br />

3<br />

2<br />

1<br />

6<br />

7<br />

5<br />

Other names: None (English), Pari, Pari Luncur (Indonesian), Pari-raja Tompok<br />

(Malaysian)<br />

Identifying features:<br />

1 pelvic fin divided into two distinct lobes<br />

2 snout supported by a firm cartilage<br />

3 snout broadly triangular, quite long (preorbital length ~3 times orbit diameter)<br />

4 dorsal surface yellowish brown with clusters of minute black flecks<br />

5 dark ring-like marking near axil of pectoral fin<br />

6 thorns on tail minute<br />

7 dorsal fins widely separated<br />

8 ventral disc margin distinctly paler than central part<br />

Size: To at least 39 cm; males maturing at about 34 cm.<br />

Distribution: Possibly endemic to the South China Sea.<br />

Habitat and biology: Demersal over sandy and muddy bottoms on the continental<br />

shelf. Oviparous, producing small, rectangular egg cases with horny extensions at each<br />

corner. Diet unknown, but probably consists of small crustaceans, worms and molluscs.


R a j o i d e i 173<br />

Similar forms occur in the Western Central Pacific, from the East China Sea to Java<br />

(eastern Indonesia). Depth range not well defined, but probably mainly on the mid<br />

continental shelf (~70-150 m).<br />

Utilisation: Caught as occasional bycatch of trawl fisheries and utilised solely for its<br />

meat.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: ?Okamejei boesemani (Ishihara): Compagno et al. (2005b); Raja<br />

(Okamejei) boesemani Ishihara: Yano et al. (2005).<br />

References: Last et al. (2010a).<br />

8<br />

1<br />

Rajidae (Skates)<br />

Ventral disc (female)<br />

In Borneo: Off western Borneo, including<br />

Sabah, Sarawak and northwestern Kalimantan.<br />

6<br />

7<br />

Lateral tail


174 S h a r k s a n d R a y s o f B o r n e o<br />

Yellowspotted Skate<br />

Okamejei hollandi (Jordan & Richardson, 1909)<br />

4<br />

3<br />

1<br />

2<br />

6 7<br />

5<br />

Other names: Holland Skate, Thornback Ray (English), Pari Luncur (Indonesian), Pari<br />

Belanda (Malaysian)<br />

Identifying features:<br />

1 pelvic fin divided into two distinct lobes<br />

2 snout supported by a firm cartilage<br />

3 snout broadly triangular, quite long (preorbital length ~3 times orbit diameter)<br />

4 dorsal surface brownish with pale blotches, black flecks (when present) not in welldefined<br />

clusters<br />

5 axil of pectoral fin with a pale-edged brown blotch<br />

6 thorns on tail not minute<br />

7 dorsal fins very widely separated<br />

8 most of ventral disc medium to dark brown<br />

Size: To at least 45 cm; males maturing at about 30 cm.<br />

Distribution: Western Pacific, from southern Japan, East China Sea, Taiwan, and the<br />

South China Sea.<br />

Habitat and biology: Demersal over sandy and muddy bottoms on the continental


R a j o i d e i 175<br />

shelf. Oviparous, females produce small, egg cases (up to 7 x 4 cm) with horny<br />

extensions at each corner. Diet consists of small crustaceans and bony fishes. Occurs with<br />

O. cairae but appears to be less common. Depth range not well defined, but probably<br />

mainly on the mid continental shelf (~70–150 m).<br />

Utilisation: Caught as an occasional bycatch of trawl fisheries and utilised solely for its<br />

meat.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Figured (Plate 211) as Raja (Okamejei) boesemani Ishihara: Yano et al.<br />

(2005).<br />

References: None.<br />

8<br />

Rajidae (Skates)<br />

1<br />

Ventral disc (female)<br />

In Borneo: Off western Borneo, including<br />

Sarawak and Kalimantan.<br />

6 7<br />

Lateral tail


176 S h a r k s a n d R a y s o f B o r n e o<br />

Philippine Ocellate Skate<br />

Okamejei jensenae Last & Lim, 2010<br />

4<br />

3<br />

2<br />

1<br />

6<br />

7<br />

5<br />

Other names: Yellow-spotted Skate (English), none (Indonesian), Pari Belanda<br />

(Malaysian)<br />

Identifying features:<br />

1 pelvic fin divided into two distinct lobes<br />

2 snout supported by a firm cartilage<br />

3 snout broadly triangular, quite long (preorbital length ~4 times orbit diameter)<br />

4 dorsal surface brownish with scattered yellowish spots<br />

5 pair of large dark spots with white-spotted borders (removed with mucous when<br />

washed)<br />

6 thorns on tail small<br />

7 dorsal fins relatively close together<br />

8 outer half of ventral disc distinctly darker than central part<br />

Size: To at least 37 cm; male size unknown but immature at 24 cm.<br />

Distribution: Probably endemic to the Indo-Malay Archipelago, in the Sulu and<br />

Celebes seas.


R a j o i d e i 177<br />

Habitat and biology: Demersal over soft bottoms on the continental shelf. Like all<br />

skates, presumably oviparous, producing small, rectangular egg cases. Diet also unknown,<br />

but probably consists of small benthic invertebrates.<br />

Utilisation: Caught occasionally as bycatch by trawlers and sold opportunistically.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Okamejei sp. 1: Compagno et al. (2005b).<br />

References: Compagno et al. (2005b); Last & Lim (2010).<br />

8<br />

1<br />

Ventral disc (female)<br />

In Borneo: Off Lahad Datu, eastern<br />

Sabah.<br />

Rajidae (Skates)<br />

7<br />

Lateral posterior tail


178 S h a r k s a n d R a y s o f B o r n e o<br />

Borneo Leg Skate<br />

Sinobatis borneensis (Chan, 1965)<br />

3<br />

2<br />

4<br />

5<br />

Other names: None (English), none (Indonesian), none (Malaysian)<br />

Identifying features:<br />

1 pelvic fin divided into two leg-like lobes<br />

2 snout floppy, supported by a thin, flexible cartilage<br />

3 snout very long, pointed (preorbital length more than 5 times orbit diameter)<br />

4 tail very slender, lacking dorsal fins<br />

5 dorsal surface of disc distinctly paler than ventral surface<br />

Size: To at least 32 cm; males mature at about 26 cm.<br />

Distribution: Narrow-ranging in the tropical Indo-West Pacific, off Taiwan, the<br />

Philippines and in the South China Sea, off Malaysian Borneo.<br />

Habitat and biology: Occurs demersally on the continental slope in 475–835 m<br />

depth. Probably oviparous, biology poorly known.<br />

Utilisation: Caught rarely and not used for food.


R a j o i d e i 179<br />

Conservation status: IUCN Red List: Least Concern.<br />

Local synonyms: Previously as Anacanthobatis borneensis Chan.<br />

References: Last & Compagno (1999).<br />

Mouth and nostrils<br />

In Borneo: Known from the holotype<br />

collected in the South China Sea, off<br />

Sarawak.<br />

Anacanthobatidae (Leg Skates)<br />

1<br />

Ventral


180 S h a r k s a n d R a y s o f B o r n e o<br />

Giant Stingaree<br />

Plesiobatis daviesi (Wallace, 1967)<br />

1<br />

2<br />

3<br />

4<br />

5<br />

Other names: Deepwater Stingray (English), Pari (Indonesian), Pari Lembik Merah,<br />

Pari Merah (Malaysian)<br />

Identifying features:<br />

1 tail with a long, thin, lobe-like caudal fin<br />

2 disc upper surface with small granular denticles<br />

3 snout very long, >6 times orbit diameter<br />

4 no dorsal fin, or skin folds on side or undersurface of tail<br />

5 flesh flabby<br />

Size: To at least 270 cm; males and females mature at about 130–172 and 189–200 cm<br />

respectively; born at about 50 cm.<br />

Distribution: Tropical Indo–West Pacific, from southeastern Africa to New Caledonia,<br />

and from the Central Pacific (Hawaii).<br />

Habitat and biology: Mainly soft silty and muddy bottoms on continental slopes at<br />

depths of 275–680 m. Presumably viviparous, with histotrophy; very little known of its


M y l i o b a t o i d e i 181<br />

biology. Diet consists primarily of small fishes, cephalopods and crustaceans. Its long,<br />

flexible snout enables it to feed in soft sediments; occasionally feeds on mesopelagic<br />

species suggesting that it might also catch prey well off the bottom. Should be handled<br />

carefully because of its long, sharp sting.<br />

Utilisation: Caught infrequently by demersal longline fisheries in deepwater. Used for<br />

its meat, but not highly regarded.<br />

Conservation status: IUCN Red List: Least Concern.<br />

Local synonyms: None.<br />

References: None.<br />

Mouth and nostrils<br />

In Borneo: Known only from off Sarawak.<br />

Plesiobatidae (Giant Stingarees)<br />

1<br />

Lateral posterior tail with caudal fin


182 S h a r k s a n d R a y s o f B o r n e o<br />

Smalleye Stingray<br />

Dasyatis microps (Annandale, 1908)<br />

2<br />

6<br />

1<br />

5<br />

4<br />

3<br />

Other names: Thickspine Giant Stingray (English), Pari Sapi, Pari Babi (Indonesian),<br />

Pari Gergasi (Malaysian)<br />

Identifying features:<br />

1 no enlarged thorns along central disc or tail (covered instead with minute spiny<br />

denticles)<br />

2 disc very broad and strongly rhomboidal with very angular apices<br />

3 pinkish brown above with rows of white spots on each side of pectoral fins<br />

4 skin folds on tail reduced to low ridges (occasionally indistinct)<br />

5 tail very broad based, tapering markedly near sting<br />

6 very small eyes and large spiracles<br />

Size: Attains at least 220 cm DW (>300 cm TL).<br />

Distribution: Patchy in the Indo–West Pacific, mainly from India to northern


M y l i o b a t o i d e i 183<br />

Australia, but also from southeastern Africa.<br />

Habitat and biology: Mainly benthopelagic on the inner continental shelf to at least<br />

50 m depth; sometimes entering estuaries and river mouths. Biology unknown;<br />

presumably viviparous, with histotrophy, and diet probably consists of large crustaceans<br />

and small fishes.<br />

Utilisation: Caught very rarely in tangle nets. Used mainly for its meat, but uncommon<br />

in markets.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: None.<br />

References: Pierce et al. (2008).<br />

Dasyatidae (Stingrays)<br />

In Borneo: Northeastern Sabah.


184 S h a r k s a n d R a y s o f B o r n e o<br />

Dwarf Black Stingray<br />

Dasyatis parvonigra Last & White, 2008<br />

2<br />

5<br />

1<br />

6<br />

Other names: None (English), Ikan Pari (Indonesian), Pari (Malaysian)<br />

Identifying features:<br />

1 thorns confined to central disc (single row on midline with shorter row either side)<br />

2 disc rhomboidal with somewhat angular apices<br />

3 short, low dorsal skin fold on tail beyond sting<br />

4 long, low ventral skin fold on tail<br />

5 tail moderately long, becoming much more slender beyond sting, but without banding<br />

6 no thorns on tail before sting<br />

7 ventral disc dark edged (not yellowish)<br />

Size: To at least 51 cm DW (~110 cm TL); males mature at about 35 cm DW.<br />

Distribution: Known only from northwestern Australia, Indonesia and Malaysia;


M y l i o b a t o i d e i 185<br />

possibly also West Papua and the Philippines.<br />

Habitat and biology: Demersal on insular and continental shelves in 60–125 m. Diet<br />

and reproductive biology unknown; presumably viviparous, with histotrophy.<br />

Utilisation: Caught incidentally by the demersal trawl and trammel-net fisheries<br />

operating in shelf waters. Used for its meat.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Dasyatis cf. longa (Garman): White et al. (2006b); Dasyatis cf. longus<br />

(Garman): White & Dharmadi (2007).<br />

References: Last & White (2008).<br />

7<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

In Borneo: Known from Sabah, including<br />

the eastern border with Kalimantan.<br />

1<br />

Nuchal area<br />

3<br />

4<br />

Lateral tail


186 S h a r k s a n d R a y s o f B o r n e o<br />

Cow Stingray<br />

Dasyatis ushiei (Jordan & Hubbs, 1925)<br />

2<br />

5<br />

1<br />

6<br />

Other names: None (English), Pari Boro, Pari Jantung (Indonesian), Pari Ekor Duri<br />

(Malaysian)<br />

Identifying features:<br />

1 thorns extending along midline of disc and onto tail<br />

2 disc rhomboidal with angular apices<br />

3 low ridge-like dorsal skin fold on tail beyond sting<br />

4 long, low ventral skin fold on tail<br />

5 tail long, tapering in thickness beyond sting, but without banding<br />

6 cluster of large thorns on tail before sting in adults<br />

7 ventral disc dark edged (sometimes faint)<br />

Size: To at least 202 cm DW (~400 cm TL); males mature at about 117 cm DW; probably<br />

born at about 30–35 cm DW.<br />

Distribution: Not well defined, possibly western North Pacific to eastern Indonesia<br />

on insular and continental shelves.


M y l i o b a t o i d e i 187<br />

Habitat and biology: Demersal on insular and continental shelves to at least 190 m<br />

(possibly to 360 m). Biology largely unknown; presumably viviparous, with histotrophy.<br />

Diet probably consists of small benthic fishes and invertebrates.<br />

Utilisation: Caught occasionally by demersal tangle net and longline fisheries<br />

operating in shelf waters. Used for its meat, cartilage and thorny tail.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Dasyatis cf. ushiei (Jordan & Hubbs): White et al. (2006b), White &<br />

Dharmadi (2007); Dasyatis cf thetidis Ogilby: Yano et al. (2005).<br />

References: None.<br />

Ventral disc<br />

7<br />

In Borneo: Known from off Sarawak<br />

and Sabah.<br />

Dasyatidae (Stingrays)<br />

1<br />

Nuchal area<br />

6<br />

3<br />

Lateral tail<br />

4


188 S h a r k s a n d R a y s o f B o r n e o<br />

Sharpnose Stingray<br />

Dasyatis zugei (Müller & Henle, 1841)<br />

2<br />

7<br />

3<br />

1<br />

8<br />

Other names: Pale-edged Stingray (English), Pari Biasa, Toka-toka, Tuka-tuka<br />

(Indonesian), Pari Ketuka, Pari Nyiru, Pari Tanjung (Malaysian)<br />

Identifying features:<br />

1 a few small thorns along midline of disc<br />

2 disc with broadly rounded apices<br />

3 snout very elongate, pointed<br />

4 no oral papillae in mouth<br />

5 weak dorsal skin fold on tail beyond sting<br />

6 long, low ventral skin fold<br />

7 tail relatively short, tapering in thickness beyond sting and without banding<br />

8 row of small thorns on tail before sting in adults<br />

9 ventral disc pale or dark edged<br />

Size: To at least 29 cm DW (75 cm TL); males and females mature at about 16 and<br />

19 cm DW respectively; born at 7–10 cm DW.


M y l i o b a t o i d e i 189<br />

Distribution: Indo–West Pacific, from India to eastern Indonesia (Bali) and northwards<br />

to southern Japan.<br />

Habitat and biology: Demersal on insular and continental shelves, to a depth of<br />

at least 40 m. Viviparous, with histotrophy; gives birth to litters of 1–4 pups after an<br />

unknown gestation period; no reproductive synchronicity. Diet consists primarily of<br />

shrimps, but includes other crustaceans and small fishes.<br />

Utilisation: Locally, landed in large quantities as bycatch of bottom trawling. One of<br />

the most commercially important rays in Borneo; used for fresh and dried meat.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: None.<br />

Dasyatidae (Stingrays)<br />

9<br />

Ventral disc<br />

In Borneo: Probably widespread, although<br />

currently few records from eastern<br />

Kalimantan.<br />

1<br />

Nuchal area<br />

5<br />

Lateral tail<br />

6


190 S h a r k s a n d R a y s o f B o r n e o<br />

Pink Whipray<br />

Himantura fai Jordan & Seale, 1906<br />

5<br />

4<br />

3<br />

2<br />

6<br />

1<br />

7<br />

Other names: None (English), Pari Minyak, Pari Tembaga (Indonesian), Pari Pucat<br />

(Malaysian)<br />

Identifying features:<br />

1 no obvious band of denticles on central disc<br />

2 disc profile quadrangular with a short, broad snout<br />

3 upper surface uniformly yellowish or greyish pink (lacking an obvious pattern)<br />

4 no skin folds on tail<br />

5 tail long, whip-like and uniformly dark beyond sting (not banded)<br />

6 sting situated anteriorly on tail<br />

7 midline of tail before sting without enlarged thorny denticles<br />

Size: To at least 184 cm DW (500 cm TL); males mature at 108–115 cm DW; embryos<br />

of 68 cm DW have been recorded.<br />

Distribution: Poorly known, but probably widespread in the Indian Ocean and<br />

Western Pacific from southern Africa to Micronesia, including Australia.


M y l i o b a t o i d e i 191<br />

Habitat and biology: Lives over soft substrates near the coast and on the inner<br />

continental shelf, from the intertidal zone to about 70 m depth, occasionally deeper<br />

to 200 m; schools near coral reefs and sand cays in some areas. Biology poorly known;<br />

viviparous, with histotrophy, and diet probably consists of small fishes and bottomdwelling<br />

invertebrates.<br />

Utilisation: Occasional catch of the demersal tangle net and bottom trawl fisheries.<br />

Used mainly for its meat.<br />

Conservation status: IUCN Red List: Least Concern.<br />

Local synonyms: Image of MSR659 in Yano et al. (2005) is of H. pastinacoides.<br />

References: None.<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

In Borneo: Widespread.<br />

Nuchal area


192 S h a r k s a n d R a y s o f B o r n e o<br />

Whitespotted Whipray<br />

Himantura gerrardi (Gray, 1851)<br />

5<br />

4<br />

2<br />

3<br />

7<br />

1<br />

6<br />

8<br />

Other names: Sharpnose Stingray, Bluntnose Whiptail Ray, Banded Whiptail Ray<br />

(English), Pari Bintang, Pari Super, Pari Batu (Indonesian), Pari Bintik Putih, Pari Batik<br />

(Malaysian)<br />

Identifying features:<br />

1 widely spaced, granular denticles on central disc (absent in small juveniles)<br />

2 disc profile quadrangular<br />

3 upper surface of disc usually with numerous white spots (rarely plain greyish brown)<br />

4 no skin folds on tail<br />

5 tail long, whip-like, with alternating light and dark bands (rarely faint)<br />

6 sting situated anteriorly on tail<br />

7 central disc usually with 1–5 small thorns<br />

8 tail lacking thorns<br />

Size: Possibly to about 100 cm DW, rarely exceeding 85 cm DW (~ 220 cm TL); males


M y l i o b a t o i d e i 193<br />

and females mature at 46–48 cm DW and about 64 cm DW respectively; born at 18–<br />

21 cm DW.<br />

Distribution: Widespread in the Indo–West Pacific from India to eastern Indonesia,<br />

north to Taiwan; possibly New Guinea but not Australia.<br />

Habitat and biology: Demersal on soft bottoms, from inshore to a depth of at least<br />

60 m. Viviparous, with histotrophy; gives birth to litters of 1–4 pups after an unknown<br />

gestation period; small individuals present in trawl catches in all months indicating no<br />

reproductive seasonality. Diet unknown, but presumably consists of bivalves, crustaceans<br />

and small fishes. Two distinct forms, detected by genetic methods, occur in Borneo but<br />

these need further resolution.<br />

Utilisation: Very important commercial species, caught in large quantities in the<br />

demersal tangle net, bottom trawl and trammel net fisheries. Used mainly for its highly<br />

regarded fresh meat and skin (valuable as leather).<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Trygon macrurus Bleeker, 1852.<br />

References: None.<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

In Borneo: Widespread.<br />

1<br />

7<br />

Nuchal area


194 S h a r k s a n d R a y s o f B o r n e o<br />

Mangrove Whipray<br />

Himantura granulata (Macleay, 1883)<br />

2<br />

6<br />

5<br />

7<br />

4<br />

9<br />

3<br />

1<br />

8<br />

Other names: Coachwhip Ray, Macleay’s Coachwhip Ray, Mangrove Ray,<br />

Mangrove Stingray, Whitetail Stingray, Whitetail Whipray (English), Pari Sapi<br />

(Indonesian), Pari Bakau (Malaysian)<br />

Identifying features:<br />

1 band of flat denticles on central disc in adults<br />

2 disc almost circular in profile<br />

3 snout broadly triangular, short<br />

4 upper surface greyish with small white flecks (often also with dark mucous)<br />

5 no skin folds on tail<br />

6 tail moderately long, whip-like, whitish posterior to sting<br />

7 sting situated anteriorly on tail<br />

8 central disc usually without enlarged thorns<br />

9 tail lacking thorns<br />

Size: To at least 141 cm DW (>350 cm TL); males mature at about 55–65 cm DW;<br />

born at about 14 cm DW.


M y l i o b a t o i d e i 195<br />

Distribution: Possibly widespread in the Indo–West Pacific, from the Red Sea and<br />

Maldives to Micronesia and northern Australia.<br />

Habitat and biology: Demersal, in coastal waters but also inshore on the continental<br />

shelf to a depth of at least 85 m; juveniles occur mainly in mangroves and estuaries,<br />

adults on coral reefs. Viviparous, with histotrophy; biology little known. Diet consists<br />

primarily of crabs and prawns.<br />

Utilisation: Caught occasionally in the dryer northeastern part of Borneo by demersal<br />

tangle net and hook-and-line fisheries. Used fresh for its meat.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: None.<br />

Dasyatidae (Stingrays)<br />

In Borneo: Known from off Sabah and<br />

northeastern Kalimantan.<br />

Ventral disc<br />

1<br />

8<br />

Nuchal area


196 S h a r k s a n d R a y s o f B o r n e o<br />

Jenkins’ Whipray<br />

Himantura jenkinsii (Annandale, 1909)<br />

5<br />

2<br />

4<br />

3<br />

6<br />

1<br />

7<br />

Other names: Rough-back Stingray (English), Pari Aer, Pari Duri, Pari Kikir<br />

(Indonesian), Pari Pasir, Pari Naga (Malaysian)<br />

Identifying features:<br />

1 band of flat denticles on central disc (poorly developed in young)<br />

2 disc profile quadrangular with a short, broad snout<br />

3 upper surface uniformly yellowish brown (rarely with small dark spots on disc near<br />

tail base)<br />

4 no skin folds on tail<br />

5 tail moderately long, whip-like, uniformly dark (not banded)<br />

6 sting situated anteriorly on tail<br />

7 central disc and tail with row of upright thorns<br />

Size: To at least 150 cm DW (about 300 cm TL); males mature at 70–85 cm DW; born<br />

at about 23 cm DW.<br />

Distribution: Widespread in the Indo–West Pacific, from southern Africa, Madagascar and<br />

the Red Sea through Pakistan to eastern Indonesia, the Philippines and northern Australia.


M y l i o b a t o i d e i 197<br />

Habitat and biology: Demersal on sandy substrates, often in caves and under ledges,<br />

inshore to depths of at least 90 m. Viviparous, with histotrophy; biology little known.<br />

Diet presumably consists of crustaceans and small fishes.<br />

Utilisation: Occasional catch of the tangle net, bottom trawl and line fisheries. Used<br />

for fresh meat.<br />

Conservation status: IUCN Red List: Least Concern.<br />

Local synonyms: Himantura draco Compagno & Heemstra, 1984.<br />

References: None.<br />

Ventral disc<br />

In Borneo: Mainly known from Sabah<br />

and Sarawak; rarely caught off eastern,<br />

northwestern and southern Kalimantan.<br />

Dasyatidae (Stingrays)<br />

7<br />

Dorsal tail thorns<br />

1<br />

7<br />

Nuchal area


198 S h a r k s a n d R a y s o f B o r n e o<br />

Roughback Whipray<br />

Himantura kittipongi Vidthayanon & Roberts, 2005<br />

6<br />

5<br />

3<br />

9<br />

1<br />

7<br />

8<br />

2<br />

Other names: None (English), Pari Sungai (Indonesian), Pari Sungai (Malaysian)<br />

Identifying features:<br />

1 broad denticle band on disc of adults (rough, often with scattered thorns)<br />

2 disc profile subcircular to oval with short, sharply pointed tip<br />

3 uniformly brownish above (without pattern but often spotted or blotched)<br />

4 whitish below with a broad dark outer margin<br />

5 no skin folds on tail<br />

6 tail long, narrow-based, whip-like, not banded<br />

7 single pearl thorn on central disc<br />

8 a row of slightly enlarged thorns on midline of tail<br />

9 eyes small<br />

Size: To at least 37 cm DW; males mature at about 25 cm DW.<br />

Distribution: Endemic to the Indo–Malay Archipelago; off Thailand, peninsula<br />

Malaysia and Borneo.


M y l i o b a t o i d e i 199<br />

Habitat and biology: Demersal in fresh and brackish water, mainly on silty bottoms.<br />

Biology poorly known; viviparous, with histotrophy. Diet unknown; given its unusually<br />

small mouth, probably consists of small bottom-dwelling invertebrates, particularly small<br />

crustaceans.<br />

Utilisation: Caught incidentally by demersal tangle nets, traps, and hook and line.<br />

Possibly used for its meat when fresh; may be collected for the aquarium trade.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: None.<br />

References: None.<br />

4<br />

Dasyatidae (Stingrays)<br />

In Borneo: Known locally from the<br />

Pawan and Kapuas rivers, western<br />

Kalimantan.<br />

Ventral disc<br />

7<br />

Nuchal area


200 S h a r k s a n d R a y s o f B o r n e o<br />

Leopard Whipray<br />

Himantura leoparda Manjaji-Matsumoto & Last, 2008<br />

5<br />

4<br />

3<br />

1<br />

8<br />

6<br />

2<br />

Other names: Undulate Whipray (English), Pari Macan (Indonesian), Pari Rimau<br />

(Malaysian)<br />

Identifying features:<br />

1 broad band of flat denticles on central disc (sparse or absent in small juveniles)<br />

2 disc profile somewhat quadrangular<br />

3 in adults, upper surface of disc with leopard-like markings (juveniles with large dark<br />

spots)<br />

4 no skin folds on tail<br />

5 tail long, whip-like, variably banded (rarely faint)<br />

6 sting situated anteriorly on tail<br />

7 central disc with row of up to 15 heart-shaped thorns<br />

8 midline of tail before sting without thorns<br />

Size: To at least 140 cm DW (about 410 cm TL); males mature at 70–80 cm DW; born<br />

at about 20 cm DW.


M y l i o b a t o i d e i 201<br />

Distribution: Eastern Indian and western Pacific Oceans, from Myanmar to Papua<br />

New Guinea, including islands of the Japanese Archipelago and northern Australia.<br />

Habitat and biology: Demersal on soft substrates inshore to at least 70 m depth.<br />

Viviparous, with histotrophy; biology little known due to confusion with other strongly<br />

patterned whiprays. Diet presumably consists of crustaceans and small fishes.<br />

Utilisation: Caught occasionally in the demersal tangle net, trawl and line fisheries.<br />

Commercially important and used mainly for fresh meat.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Himantura undulata (Bleeker, 1852): Yano et al. (2005), White et al.<br />

(2006b).<br />

References: Manjaji-Matsumoto & Last (2008).<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

In Borneo: Off Sabah, and northwestern<br />

and northeastern Kalimantan.<br />

1<br />

7<br />

Nuchal area<br />

Tail section - dorsal<br />

5<br />

3<br />

Tail section - ventral<br />

Juvenile (200 mm DW)


202 S h a r k s a n d R a y s o f B o r n e o<br />

Tubemouth Whipray<br />

Himantura lobistoma Manjaji-Matsumoto & Last, 2006<br />

6<br />

2<br />

3<br />

5<br />

1<br />

9<br />

8<br />

Other names: None (English), Pari Lumpur, Pari Tanjung (Indonesian), Pari Mulut<br />

Tajam (Malaysian)<br />

Identifying features:<br />

1 denticle band very broad, margin pointed on snout<br />

2 disc oval, snout extremely elongate and broadly triangular<br />

3 brownish to greyish above (without a pattern)<br />

4 mouth strongly protrusible<br />

5 no skin folds on tail<br />

6 tail long, whip-like and plain (not banded)<br />

7 central disc usually 2–4 small pearl thorns<br />

8 no other enlarged thorns on disc or tail<br />

9 eyes small<br />

Size: To about 100 cm DW; males and females mature by 49 and 70 cm DW respectively;<br />

born at >18 cm DW.


M y l i o b a t o i d e i 203<br />

Distribution: Endemic to Borneo and eastern Sumatra.<br />

Habitat and biology: Demersal on soft substrates inshore; biology little known.<br />

Viviparous, with histotrophy. Diet unknown, probably consists of crustaceans and<br />

small fishes.<br />

Utilisation: Caught commonly inshore off western Borneo, mainly by bottom trawl<br />

and line fisheries. Used mainly for fresh meat.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: Manjaji-Matsumoto & Last (2006).<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

In Borneo: Known mainly from western<br />

Borneo; occasionally off southern and<br />

eastern Kalimantan.<br />

7<br />

Nuchal area<br />

4<br />

Protrusible mouth<br />

Late-term embryo (18 cm DW)


204 S h a r k s a n d R a y s o f B o r n e o<br />

Longnose Marbled Whipray<br />

Himantura oxyrhyncha (Sauvage, 1878)<br />

6<br />

5<br />

2<br />

3<br />

9<br />

1<br />

8<br />

Other names: Marbled Freshwater Stingray, Marbled Whipray (English), Pari<br />

(Indonesian), none (Malaysian)<br />

Identifying features:<br />

1 band of denticles on central disc narrow in adults<br />

2 disc profile oval with long, sharply pointed tip<br />

3 brownish with an ornate reticulate pattern<br />

4 uniformly whitish below, occasionally greyish or blackish marginally<br />

5 no skin folds on tail<br />

6 tail long, broad-based, whip-like and spotted<br />

7 central disc with large pearl thorn<br />

8 row of small heart-shaped thorns on mid-anterior tail of adults<br />

9 eyes very small<br />

Size: To about 37 cm DW (126 cm TL); free-swimming by 9 cm DW.<br />

Distribution: Borneo, Cambodia and Thailand.


M y l i o b a t o i d e i 205<br />

Habitat and biology: Demersal in freshwater and estuaries; localised and common in<br />

lowland rivers and streams on soft substrates. Viviparous, with histotrophy; biology little<br />

known. Diet probably consists of small crustaceans and molluscs.<br />

Utilisation: Caught in demersal tangle nets, bottom trap and by line. Used mainly in<br />

the aquarium trade.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: Dasybatus krempfi Chabanaud, 1923.<br />

References: None.<br />

Ventral disc<br />

4<br />

In Borneo: Known from north-west<br />

Kalimantan in the environs of the<br />

Kapuas River.<br />

Dasyatidae (Stingrays)<br />

7<br />

Nuchal area


206 S h a r k s a n d R a y s o f B o r n e o<br />

Round Whipray<br />

Himantura pastinacoides (Bleeker, 1852)<br />

5<br />

6<br />

2<br />

3<br />

7<br />

1<br />

9<br />

Other names: None (English), Pari Aer, Pari Pasir (Indonesian), Pari Bulat (Malaysian)<br />

Identifying features:<br />

1 denticle band very broad, margin rounded on snout<br />

2 profile of disc almost oval; snout short, broadly triangular<br />

3 brownish or greyish above (without a pattern)<br />

4 whitish below, sometimes with a broad greyish posterior margin<br />

5 no skin folds on tail<br />

6 tail long, whip-like and dark posteriorly (not banded)<br />

7 sting situated anteriorly on tail<br />

8 usually one large, greenish pearl thorn on central disc<br />

9 no other enlarged thorns on disc or tail<br />

Size: To at least 86 cm DW (186 cm TL), possibly to about 100 cm DW; males mature<br />

about 43–46 cm DW and females mature by 58 cm DW; birth size about 15–16 cm<br />

DW.


M y l i o b a t o i d e i 207<br />

Distribution: Indo–Malay Archipelago, including Borneo and Sumatra; records from<br />

Javanese fish markets were probably caught elsewhere.<br />

Habitat and biology: Demersal, inshore, mostly in coastal embayments, estuaries and<br />

near large river mouths. Presumably viviparous, with histotrophy; biology not known.<br />

Diet probably consists of crustaceans and small fishes.<br />

Utilisation: Common bycatch of bottom trawl, line and beach seine fisheries off<br />

southern Borneo. Used for its meat (fresh), skin and cartilage.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Trygon pareh Bleeker, 1852.<br />

References: None.<br />

4<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

In Borneo: Widespread, concentrated<br />

near large river estuaries.<br />

8<br />

Nuchal area


208 S h a r k s a n d R a y s o f B o r n e o<br />

Giant Freshwater Whipray<br />

Himantura polylepis (Bleeker, 1852)<br />

6<br />

2<br />

5<br />

3<br />

1<br />

9<br />

7<br />

Other names: Freshwater Whipray, Giant Freshwater Stingray (English), Pari<br />

(Indonesian), Pari Air Tawar, Pari Sungai (Malaysian)<br />

Identifying features:<br />

1 no obvious band of flat denticles on central disc<br />

2 disc profile almost circular with long, sharp pointed tip<br />

3 greyish or brownish above (without a pattern)<br />

4 white below with very broad dark margin<br />

5 no skin folds on tail<br />

6 tail long, thin-based, whip-like and blackish (not banded)<br />

7 sting situated anteriorly on tail<br />

8 central disc usually with 2 heart-shaped thorns (no preceding row of slightly smaller<br />

thorns)<br />

9 midline of tail before sting lacking enlarged thorns<br />

Size: To at least 192 cm DW (~500 cm TL), probably larger; males mature at about 110<br />

cm DW.


M y l i o b a t o i d e i 209<br />

Distribution: Widespread but patchy in the Indo–West Pacific, from India to eastern<br />

Indonesia; a similar form off Australia, and possibly New Guinea, is a separate species<br />

(H. dalyensis Last & Manjaji-Matsumoto, 2008).<br />

Habitat and biology: A very large coastal ray living primarily in rivers and estuaries,<br />

often well upstream. Probably common in the Kinabatangan River but rarely caught;<br />

sometimes in coastal marine and brackish habitats in other parts of Indonesia. Viviparous,<br />

with histotrophy; biology not well known. Feeds mainly on small fishes and crustaceans.<br />

Utilisation: Caught accidentally by local fishers, mainly by line and occasionally in<br />

gillnets and traps. Used for food and possibly its cartilage.<br />

Conservation status: IUCN Red List: Vulnerable; Critically Endangered in Thailand<br />

(as Himantura chaophraya Monkolprasit & Roberts, 1990).<br />

Local synonyms: Himantura chaophraya Monkolprasit & Roberts, 1990.<br />

References: Last & Manjaji-Matsumoto (2008).<br />

Dasyatidae (Stingrays)<br />

4<br />

In Borneo: Known from Sabah and<br />

eastern Kalimantan.<br />

Ventral disc<br />

8<br />

Nuchal area


210 S h a r k s a n d R a y s o f B o r n e o<br />

White-edge Freshwater Whipray<br />

Himantura signifer Compagno & Roberts, 1982<br />

6<br />

2<br />

3<br />

5<br />

9<br />

1<br />

8<br />

7<br />

Other names: Freshwater Stingray, Pale Whipray, White-rim Stingray (English), Pari<br />

Sungai (Indonesian), Pari Air Tawar, Pari Sungai (Malaysian)<br />

Identifying features:<br />

1 band of denticles on central disc absent or narrow in adults<br />

2 disc profile almost circular with short, sharply pointed tip<br />

3 yellowish or greyish brown above (often with a faint reticulate pattern) with an<br />

obvious white edge<br />

4 uniformly whitish below<br />

5 no skin folds on tail<br />

6 tail long, broad-based, whip-like and whitish (not banded)<br />

7 sting situated anteriorly on tail<br />

8 central disc and tail lacking thorns<br />

9 eyes very small<br />

Size: To at least 37 cm DW (~134 cm TL); males maturing at 21–23 cm DW, females at


M y l i o b a t o i d e i 211<br />

25–26 cm DW; born at about 11–12 cm DW.<br />

Distribution: Thailand, Indonesia and Malaysia, including central Sumatra, mainly in<br />

freshwater.<br />

Habitat and biology: Demersal on soft substrates in rivers, streams, and occasionally<br />

estuaries; ventures several hundred kilometres upstream. Viviparous, with histotrophy;<br />

biology little known. Diet consists of small, benthic invertebrates, such as crustaceans,<br />

shellfish and insect larvae.<br />

Utilisation: Caught mainly by trap, spear and bottom-set lines. Used for fresh meat and<br />

in the aquarium trade.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: None.<br />

References: None.<br />

4<br />

Dasyatidae (Stingrays)<br />

In Borneo: Kapuas, Sampi and Rungan<br />

rivers, western and southern Kalimantan.<br />

Ventral disc<br />

1<br />

Nuchal area


212 S h a r k s a n d R a y s o f B o r n e o<br />

Bleeker’s Whipray<br />

Himantura uarnacoides (Bleeker, 1852)<br />

6<br />

5<br />

3<br />

1<br />

2<br />

9<br />

7<br />

Other names: Whitenose Whipray (English), Pari Tanjung, Pe Pasung, Pari Lumpur<br />

(Indonesian), Pari Pasir (Malaysian)<br />

Identifying features:<br />

1 denticle band very broad, margin rounded on snout<br />

2 profile of disc weakly rhomboidal, snout narrowly triangular<br />

3 greyish or brownish above (without a pattern)<br />

4 whitish below, sometimes with a narrow dark posterior margin<br />

5 no skin folds on tail<br />

6 tail long, whip-like and pale (not banded)<br />

7 sting situated anteriorly on tail<br />

8 usually 1–3 large pearl thorns on central disc<br />

9 no other enlarged thorns on disc or tail<br />

Size: Reported to reach 119 cm DW (300 cm TL), but rarely larger than 95 cm DW;<br />

males maturing at 50–60 cm DW; born about 18 cm DW.<br />

Distribution: Indo–West Pacific, from India to eastern Indonesia, including Malaysia.


M y l i o b a t o i d e i 213<br />

Habitat and biology: Demersal on soft substrates near the coast to a depth of at least<br />

30 m. Viviparous, with histotrophy; biology little known. Diet unknown, probably<br />

consists of crustaceans and small fishes.<br />

Utilisation: Common catch component of demersal trawl and line fisheries. Used<br />

mainly for its meat and skin (exported to Thailand).<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Trygon bleekeri Blyth, 1860.<br />

References: None.<br />

4<br />

In Borneo: Widespread, less common off<br />

western Sabah.<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

8<br />

Nuchal area<br />

Juvenile (277 mm TL)


214 S h a r k s a n d R a y s o f B o r n e o<br />

Reticulate Whipray<br />

Himantura uarnak (Forsskål, 1775)<br />

5<br />

3<br />

7<br />

1<br />

9<br />

6<br />

2<br />

Other names: Reticulate Whipray, Coachwhip Ray, Longtail Ray, Leopard Stingray<br />

(English), Pari Macan, Pari Merica (Indonesian), Pari Rimau (Malaysian)<br />

Identifying features:<br />

1 broad band of flat denticles on central disc (sparse or absent in small juveniles)<br />

2 disc profile somewhat quadrangular<br />

3 in adults upper surface with fine dark spots and reticulations<br />

4 in juveniles upper surface with relatively small dark spots<br />

5 no skin folds on tail<br />

6 tail long, whip-like, variably banded (often faint in adults)<br />

7 sting situated anteriorly on tail<br />

8 central disc usually with 2 heart-shaped thorns (not preceded by row of slightly<br />

smaller thorns)<br />

9 midline of tail before sting without thorns<br />

Size: To at least 160 cm DW (450 cm TL); males mature at 82–84 cm DW; born at<br />

21–28 cm DW.


M y l i o b a t o i d e i 215<br />

Distribution: Widespread in the Indo–West Pacific, from southern Africa and the eastern<br />

Mediterranean, through to the Philippines, Caroline Islands and northern Australia.<br />

Habitat and biology: Demersal on soft substrates, commonly in intertidal regions, but<br />

also to depths of at least 50 m. Viviparous, with histotrophy; biology little known. Diet<br />

probably consists of crustaceans and small fishes. Two distinct genetic forms exist off<br />

Borneo that may represent more than a single species.<br />

Utilisation: Commonly caught in small quantities by bottom trawlers; also taken by gill<br />

net and longline. Used fresh for its meat; also harvested for its skin and cartilage.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Trygon punctata Günther, 1870; Himantura toshi Whitley: Yano et al.<br />

(2005).<br />

References: None.<br />

Dasyatidae (Stingrays)<br />

In Borneo: Widespread, but patchy.<br />

Ventral disc<br />

4<br />

8<br />

Nuchal area<br />

Juvenile (262 mm DW)


216 S h a r k s a n d R a y s o f B o r n e o<br />

Honeycomb Whipray<br />

Himantura undulata (Bleeker, 1852)<br />

6<br />

5<br />

3<br />

1<br />

9<br />

7<br />

2<br />

Other names: Bleeker’s Variegate Ray, Ocellate Whipray (English), Pari Macan<br />

(Indonesian), Pari Batik, Pari Rimau (Malaysian)<br />

Identifying features:<br />

1 broad band of flat denticles on central disc (sparse or absent in small juveniles)<br />

2 disc profile weakly quadrangular (pectoral-fin apex broadly rounded)<br />

3 in adults upper surface with pattern of large ocelli and honeycomb-like reticulations<br />

4 in juveniles upper surface with relatively large dark spots<br />

5 no skin folds on tail<br />

6 tail long, whip-like, with dark pattern or bands<br />

7 sting situated anteriorly on tail<br />

8 central disc usually with dominant pearl-shaped thorn followed by 2–3 slightly<br />

smaller thorns<br />

9 midline of tail before sting without thorns<br />

Size: To at least 130 cm DW; males maturing at 60–70 cm DW; born at about 26–<br />

27 cm DW.<br />

Distribution: Indo–West Pacific, poorly defined; from India to eastern Indonesia; no<br />

confirmed records from Australia.


M y l i o b a t o i d e i 217<br />

Habitat and biology: Demersal inshore on soft substrates, but little other information<br />

available as often confused with other similar species. Viviparous, with histotrophy; biology<br />

little known. Diet presumably consists of crustaceans and small fishes.<br />

Utilisation: Caught occasionally in demersal trawl, longline and tangle nets. Used<br />

mainly for its meat, possibly also skin and cartilage.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Trygon favus Annandale, 1909; Himantura fava Annandale: White et<br />

al. (2006b); Himantura sp. B: Yano et al. (2005).<br />

References: Manjaji-Matsumoto & Last (2008).<br />

Ventral disc<br />

In Borneo: Sarawak, northeastern<br />

Sabah, and northwestern and eastern<br />

Kalimantan; probably more widespread.<br />

Dasyatidae (Stingrays)<br />

8<br />

Nuchal area<br />

4<br />

Juvenile (350 mm DW)


218 S h a r k s a n d R a y s o f B o r n e o<br />

Dwarf Whipray<br />

Himantura walga (Müller & Henle, 1841)<br />

2<br />

3<br />

6<br />

1<br />

7<br />

5<br />

Other names: None (English), Pari Kikir, Toka Toka (Indonesian), Pari Ketuka, Tukatuka,<br />

Pari Tanjung (Malaysian)<br />

Identifying features:<br />

1 narrow band of flat denticles on central disc in adults<br />

2 profile of disc almost oval, snout broadly triangular<br />

3 greyish or brownish above (without a pattern)<br />

4 whitish below, sometimes with a yellowish grey posterior margin<br />

5 no skin folds on tail<br />

6 tail short, not whip-like (end bulbous in adult females)<br />

7 sting situated anteriorly on tail<br />

8 mid-disc thorns absent or rudimentary<br />

9 tail thorns very elongate, bases nearly half eye diameter in length<br />

Size: To at least 24 cm DW (~38 cm TL); males and females mature at 16–18 cm DW;<br />

born at 8–10 cm DW.<br />

Distribution: Off Thailand, Malaysia and Indonesia, but possibly also occurs further<br />

west to India.<br />

Habitat and biology: Demersal on insular and continental shelves, and occasionally in<br />

coastal embayments. Viviparous, with histotrophy; gives birth to litters of 1–2 pups after


M y l i o b a t o i d e i 219<br />

an unknown gestation period; no reproductive synchronicity. Diet consists primarily of<br />

small benthic crustaceans, but also small fishes.<br />

Utilisation: Landed in large quantities by bottom trawl fisheries. Used for its meat,<br />

fresh and dried, and is in demand locally.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Trygon heterurus Bleeker, 1852; images of Himantura imbricata (Bloch<br />

& Schneider) in Yano et al. (2005) appear to be this species.<br />

References: None.<br />

4<br />

In Borneo: Widespread, but not recorded<br />

from eastern Kalimantan.<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

8<br />

9<br />

Nuchal area<br />

Anterior tail - dorsal view<br />

6<br />

Dorsal post-sting tail - mature female


220 S h a r k s a n d R a y s o f B o r n e o<br />

Bluespotted Maskray<br />

Neotrygon kuhlii (Müller & Henle, 1841)<br />

4<br />

6<br />

5<br />

1<br />

7<br />

Other names: Bluespotted Stingaree, Bluespotted Stingray, Kuhl’s Stingray (English),<br />

Pari Blentik, Pari Kodok (Indonesian), Pari Lalat, Pari Macan, Pari Riman, Pari Rimau,<br />

Pari Tanjung, Kiampau (Malaysian)<br />

Identifying features:<br />

1 a few short thorns confined to midline of disc<br />

2 short, low skin fold on dorsal tail just posterior to sting tip<br />

3 long, low skin fold on ventral surface of tail<br />

4 tail not whip-like, its tip with broad black and white bands<br />

5 snout short with black bar through eyes<br />

6 large, bright, blue spots on upper disc<br />

7 usually no thorns on tail before sting<br />

Size: To at least 42 cm DW; males are mature by about 26 cm DW; born at about<br />

14 cm DW.<br />

Distribution: Indo–West Pacific, from southern Africa and India through southeast<br />

Asia and northern Australia, north to Japan and east to Micronesia and Melanesia;<br />

probably consists of a complex of species with narrow ranges.


M y l i o b a t o i d e i 221<br />

Habitat and biology: Demersal on insular and continental shelves to a depth of<br />

90 m. Viviparous, with histotrophy; gives birth to litters of 1–2 pups after an unknown<br />

gestation period; no reproductive synchronicity. Diet consists primarily of benthic<br />

crustaceans and small fishes.<br />

Utilisation: One of the most commercially important rays in the region; caught in<br />

large quantities by bottom trawl, trammel and fish trap fisheries. Used mainly for fresh<br />

meat.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Dasyatis kuhlii (Müller & Henle): White et al. (2006b), White &<br />

Dharmadi (2007).<br />

References: None.<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

In Borneo: Widespread.<br />

1<br />

Nuchal area<br />

2<br />

Lateral tail<br />

3


222 S h a r k s a n d R a y s o f B o r n e o<br />

Eastern Cowtail Stingray<br />

Pastinachus atrus (Macleay, 1883)<br />

4<br />

2<br />

5<br />

7<br />

3<br />

1<br />

6<br />

8<br />

Other names: Banana-tail Ray, Bull Ray, Fantail Ray, Feathertail Ray, Feathertail<br />

Stingray (English), Pari Bendera (Indonesian), Pari Bendera, Pari Daun, Pari Nyonya,<br />

Pari Tanjung (Malaysian)<br />

Identifying features:<br />

1 broad band of flat denticles on central disc<br />

2 disc profile quadrangular with a short, rounded snout<br />

3 snout apex mostly lacking denticles<br />

4 ventral skin fold terminating well before tail tip (when undamaged)<br />

5 fold blackish, very deep (maximum depth >3.5 times height of tail above, more than<br />

5 times in adults)<br />

6 tail relatively broad based<br />

7 sting situated posteriorly on tail (its distance from cloaca more than half disc width)<br />

8 no thorn row along middle of tail<br />

Size: To almost 200 cm DW (>300 cm TL); males mature at about 96–98 cm DW;<br />

born at about 18 cm DW.


M y l i o b a t o i d e i 223<br />

Distribution: Tropical Indo–West Pacific including Malaysia, Indonesia, Australia, New<br />

Guinea, and possibly Melanesia and Micronesia; also known from the Western Indian<br />

Ocean (Madagascar).<br />

Habitat and biology: Demersal, coastal to inner continental shelf to a depth of at least<br />

60 m; occurs in coral lagoons, intertidal mangrove estuaries and also known from rivers<br />

in freshwater. Viviparous, with histotrophy; biology little known. Diet of adults presumably<br />

consists of large crustaceans and small fishes.<br />

Utilisation: Caught frequently by bottom trawl, with smaller quantities by longline and<br />

beach seine. Good food fish, used locally mainly for fresh meat.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Pastinachus sephen (Forsskål): Yano et al. (2005), White et al. (2006b).<br />

References: None.<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

In Borneo: Widespread.<br />

5<br />

Nuchal area<br />

Lateral tail - at midlength of ventral fold


224 S h a r k s a n d R a y s o f B o r n e o<br />

Narrowtail Stingray<br />

Pastinachus gracilicaudus Last & Manjaji-Matsumoto, 2010<br />

4<br />

5<br />

7<br />

3<br />

1<br />

6<br />

8<br />

2<br />

Other names: None (English), Pari Bendera (Indonesian), none (Malaysian)<br />

Identifying features:<br />

1 broad band of flat denticles on central disc<br />

2 disc profile quadrangular with a short, rounded snout<br />

3 snout apex mostly lacking denticles<br />

4 ventral skin fold terminating well before tail tip (when undamaged)<br />

5 fold typically pale, relatively slender (maximum depth usually < 3 times height of tail<br />

above)<br />

6 tail relatively broad based<br />

7 sting situated posteriorly on tail (its distance from cloaca more than half disc width)<br />

8 no thorn row along middle of tail<br />

Size: To almost 83 cm DW (>200 cm TL); males mature by 67 cm DW; free-swimming<br />

by 30 cm DW.<br />

Distribution: Not well defined; known from the Indo–Malay Archipelago.


M y l i o b a t o i d e i 225<br />

Habitat and biology: Demersal on continental shelf, mainly inshore. Viviparous, with<br />

histotrophy; biology little known. Diet probably consists of crustaceans and small fishes.<br />

Utilisation: Caught occasionally by demersal tangle net, bottom trawl and longline<br />

fisheries. Used mainly for its meat, and probably for its skin.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Confused with Pastinachus sephen (Forsskål).<br />

References: Last & Manjaji-Matsumoto (2010).<br />

Ventral disc<br />

In Borneo: Patchy, in western and<br />

northern Borneo; not observed from most<br />

of southern and eastern Kalimantan.<br />

Dasyatidae (Stingrays)<br />

5<br />

Nuchal area<br />

Lateral tail - at midlength of ventral fold


226 S h a r k s a n d R a y s o f B o r n e o<br />

Roughnose Stingray<br />

Pastinachus solocirostris Last, Manjaji & Yearsley, 2005<br />

2<br />

4<br />

5<br />

3<br />

1<br />

6<br />

8<br />

7<br />

Other names: None (English), Pari Gunung, Pari Bendera (Indonesian), Pari Mulut<br />

Kasar (Malaysian)<br />

Identifying features:<br />

1 broad band of flat denticles on central disc<br />

2 disc profile strongly quadrangular with an acute, triangular snout<br />

3 snout apex covered with enlarged, spear-shaped or fork-like denticles<br />

4 ventral skin fold terminating well before tail tip (when undamaged)<br />

5 fold relatively slender (maximum depth usually 150 cm TL); males mature at about 36–39 cm DW; born<br />

at about 20 cm DW.<br />

Distribution: Confined to Indonesia and Malaysia (Borneo and Sumatra).<br />

Habitat and biology: Habitat and biology largely unknown; demersal inshore on


M y l i o b a t o i d e i 227<br />

continental shelf, mostly near large estuaries. Presumably viviparous, with histotrophy.<br />

Diet probably consists of small crustaceans and fishes.<br />

Utilisation: Caught occasionally by bottom trawl, line and demersal gillnet fisheries<br />

operating off Sumatra, Sarawak and Kalimantan. Good food fish, used locally for its meat<br />

and probably its skin.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: Pastinachus cf. sephen (Forsskål): Yano et al. (2005).<br />

References: Last et al. (2005).<br />

Ventral disc<br />

In Borneo: Widespread off western<br />

Borneo; isolated records from southern<br />

and southeastern Kalimantan.<br />

Dasyatidae (Stingrays)<br />

Nuchal area<br />

3<br />

5<br />

Denticles at apex of snout<br />

Lateral tail - at midlength of ventral fold


228 S h a r k s a n d R a y s o f B o r n e o<br />

Starynose Stingray<br />

Pastinachus stellurostris Last, Fahmi & Naylor, 2010<br />

4 5<br />

7<br />

3<br />

1<br />

6<br />

8<br />

2<br />

Other names: None (English), Pari Bendera (Indonesian), none (Malaysian)<br />

Identifying features:<br />

1 broad band of flat denticles on central disc<br />

2 disc profile strongly quadrangular with an acute, triangular snout<br />

3 snout apex covered with enlarged, star-shaped denticles<br />

4 ventral skin fold terminating well before tail tip (when undamaged)<br />

5 fold relatively slender (maximum depth


M y l i o b a t o i d e i 229<br />

probably consists of invertebrates and small fishes.<br />

Utilisation: Caught rarely by line fisheries; rare in markets, probably used for its meat.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Probably confused with Pastinachus solocirostris Last, Manjaji &<br />

Yearsley, 2005.<br />

References: None.<br />

Ventral disc<br />

In Borneo: Restricted, known only from<br />

northwestern Kalimantan.<br />

Dasyatidae (Stingrays)<br />

Nuchal area<br />

3<br />

5<br />

Denticles at apex of snout<br />

Lateral tail - at midlength of ventral fold


230 S h a r k s a n d R a y s o f B o r n e o<br />

Pelagic Stingray<br />

Pteroplatytrygon violacea (Bonaparte, 1832)<br />

2<br />

5<br />

4<br />

1<br />

3<br />

Other names: Blue Stingray, Violet Stingray (English), Pari Lampin, Pari Lemer,<br />

Payubek (Indonesian), Pari Hitam (Malaysian)<br />

Identifying features:<br />

1 row of small thorns along midline of disc<br />

2 anterior profile of disc strongly convex and obtuse<br />

3 outer edge of disc angular<br />

4 ventral skin fold on tail very low, terminating well before tail tip<br />

5 both dorsal and ventral surfaces dark brownish to black (often with a purplish<br />

tinge)<br />

Size: To at least 59 cm DW (at least 130 cm TL), elsewhere reported to 80 cm DW;<br />

males and females mature at 35–38 and 45–50 cm DW respectively; born at 16–20 cm<br />

DW.<br />

Distribution: Cosmopolitan in tropical and temperate waters.<br />

Habitat and biology: Fully pelagic stingray found in the open ocean, usually in upper


M y l i o b a t o i d e i 231<br />

100 m and rarely found inshore. Viviparous, with histotrophy; gives birth to litters of<br />

2–9 pups after a 4 month gestation period. Diet consists primarily of jellyfishes, squids,<br />

crustaceans and fishes.<br />

Utilisation: Occasional bycatch of tuna longline and gillnet fisheries operating<br />

throughout the region. Used for fresh meat when caught.<br />

Conservation status: IUCN Red List: Least Concern.<br />

Local synonyms: None.<br />

References: None.<br />

5<br />

Ventral disc<br />

In Borneo: Known from off Sarawak<br />

and Sabah, but likely to be more widely<br />

distributed.<br />

Dasyatidae (Stingrays)<br />

Lateral tail<br />

4


232 S h a r k s a n d R a y s o f B o r n e o<br />

Bluespotted Fantail Ray<br />

Taeniura lymma (Forsskål, 1775)<br />

3<br />

2<br />

4<br />

5<br />

1<br />

6<br />

Other names: Blue-spotted Lagoon Ray, Blue-spotted Ribbontail Ray, Lagoon Ray,<br />

Lesser Fantail Ray, Reef Ray, Ribbontail Stingray (English), Ikan Pari, Pari Kembang,<br />

Pari Totol (Indonesian), Pari Karang, Pari Reben, Kiampau (Malaysian)<br />

Identifying features:<br />

1 dorsal surface almost smooth to granular (denticles very small)<br />

2 profile of disc oval<br />

3 ventral skin fold on tail relatively deep, extending to tail tip<br />

4 upper surface with numerous bright blue spots<br />

5 stings present (usually 2), located near end of tail<br />

6 tail with blue stripe on each side before sting<br />

Size: To at least 35 cm DW (at least 75 cm TL); males and females mature at 20–22 and<br />

20–24 cm DW respectively; born at 13–14 cm DW.<br />

Distribution: Widespread in Indo–West Pacific, from southern Africa to the Solomon<br />

Islands, south to tropical Australia and north to the Philippines and Vietnam.


M y l i o b a t o i d e i 233<br />

Habitat and biology: Dominant ray in coral reef habitats; occurs inshore to depths of<br />

at least 20 m. Viviparous, with histotrophy; biology little known. Diet consists primarily<br />

of molluscs, worms and small crustaceans.<br />

Utilisation: Caught over shallow coral reefs; common in small quantities in markets.<br />

Used widely for its meat.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Trygon ornatus Gray, 1830.<br />

References: None.<br />

In Borneo: Probably widespread,<br />

although less common in Sarawak and<br />

parts of Kalimantan.<br />

Dasyatidae (Stingrays)<br />

Ventral disc<br />

Lateral tail<br />

3


234 S h a r k s a n d R a y s o f B o r n e o<br />

Blotched Fantail Stingray<br />

Taeniurops meyeni (Müller & Henle, 1841)<br />

2<br />

4<br />

3<br />

6<br />

1<br />

5<br />

Other names: Blackblotched Stingray, Blackspotted Stingray, Bull Ray, Fantail Stingray,<br />

Giant Reef Ray, Marble Ribbontail Ray, Round Ribbontail Ray, Speckle Stingray<br />

(English), Pari Babi, Pari Merica (Indonesian), Pari Kelabu, Pari Reben (Malaysian)<br />

Identifying features:<br />

1 dorsal surface almost smooth (denticles very small)<br />

2 profile of disc circular<br />

3 ventral skin fold on tail deep, extending to tail tip<br />

4 upper surface dark with white blotches and mottling (often faint)<br />

5 large sting present (usually 1)<br />

6 tail uniformly black posterior to sting<br />

Size: To at least 180 cm DW (330 cm TL); males mature at 100–110 cm DW; born at<br />

30–35 cm DW.<br />

Distribution: Widespread in the Indo–West Pacific from South Africa to Japan, south<br />

to Micronesia, including northern Australia.


M y l i o b a t o i d e i 235<br />

Habitat and biology: Demersal on soft bottoms near coral reefs; also reported offshore<br />

to depths exceeding 400 m. Viviparous, with histotrophy; biology little known. Diet<br />

consists primarily of bivalves, crustaceans and small fishes.<br />

Utilisation: Caught occasionally by demersal tangle net and longline, rarely by bottom<br />

trawl fisheries. Used for its meat and cartilage in small quantities.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Taeniura melanospilus Bleeker, 1853; Taeniura meyeni Müller & Henle,<br />

1841: Yano et al. (2005), White et al. (2006b), White & Dharmadi (2007).<br />

References: None.<br />

Ventral disc<br />

In Borneo: Known only from Sabah and<br />

off Sarawak.<br />

Dasyatidae (Stingrays)<br />

Lateral tail<br />

3


236 S h a r k s a n d R a y s o f B o r n e o<br />

Porcupine Ray<br />

Urogymnus asperrimus (Bloch & Schneider, 1801)<br />

2<br />

1<br />

3<br />

4<br />

Other names: Roughskin Stingaree, Solander’s Ray, Thorny Ray (English), Pari Duren<br />

(Indonesian), Pari Dedap, Pari Duri, Pari Durian (Malaysian)<br />

Identifying features:<br />

1 dorsal surface very rough, covered with long, sharp thorns<br />

2 profile of disc almost circular<br />

3 base of tail narrow, rounded in cross-section rather than depressed<br />

4 no skin folds or stinging spines on tail<br />

Size: Possibly to 147 cm DW; males and females mature at 90 and 100 cm DW<br />

respectively.<br />

Distribution: Widespread in the Indo–West Pacific; east Africa and the Red Sea to<br />

northern Australia and Fiji, north to Japan. Also reported off central Africa in the tropical<br />

eastern Atlantic.<br />

Habitat and biology: Demersal on insular and continental shelves; found on rubble and<br />

sand near coral reefs. Viviparous, with histotrophy; biology little known. Diet presumably<br />

consists mainly of bivalves and crustaceans which it extracts from the sediments. Its thorns<br />

are sharp and can inflict a painful injury.


M y l i o b a t o i d e i 237<br />

Utilisation: Caught rarely by demersal tangle net and trawl fisheries. Probably used for<br />

its meat, but may be discarded.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: None.<br />

Ventral disc<br />

In Borneo: Uncommon, known from<br />

off Sabah and eastern Kalimantan;<br />

possibly more widely distributed in<br />

appropriate habitat.<br />

Dasyatidae (Stingrays)<br />

1<br />

Lateral head<br />

Mouth and nostrils


238 S h a r k s a n d R a y s o f B o r n e o<br />

Longtail Butterfly Ray<br />

Gymnura poecilura (Shaw, 1804)<br />

4<br />

1<br />

2<br />

3<br />

Other names: Long-tailed Butterfly Ray (English), Pari Lowo, Pari Kelelawar<br />

(Indonesian), Pari Kelawar Bintik, Pari Tembikar (Malaysian)<br />

Identifying features:<br />

1 no dorsal fin<br />

2 tail lacking a stinging spine and with ~9 dark bands<br />

3 tail length about equal to snout-vent length (when undamaged)<br />

4 dorsal surface with faint whitish spots, sometimes plain<br />

Size: To at least 99 cm DW; males mature at about 45 cm DW; born at about 20–26 cm<br />

DW.<br />

Distribution: Tropical Indo–West Pacific; from the Red Sea eastward to southern<br />

Japan and eastern Indonesia.<br />

Habitat and biology: Demersal on the continental shelf to a depth of at least 30 m.<br />

Appears to prefer sandy habitats, often in shallow inshore waters and on sand banks.


M y l i o b a t o i d e i 239<br />

Viviparous, with histotrophy; litters of up to 7 pups after an unknown gestation period.<br />

Feeds primarily on small fishes, crustaceans and molluscs.<br />

Utilisation: Caught frequently by demersal trawlers, and taken occasionally by trammel<br />

net. Utilised widely for its meat, but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: Jacobsen & Bennett (2009).<br />

In Borneo: Widespread.<br />

Gymnuridae (Butterfly Rays)<br />

Ventral disc


240 S h a r k s a n d R a y s o f B o r n e o<br />

Zonetail Butterfly Ray<br />

Gymnura zonura (Bleeker, 1852)<br />

4<br />

3<br />

Other names: Bleeker’s Butterfly Ray (English), Pari Lowo, Pari Kelelawar, Pari<br />

Payung (Indonesian), Pari Kelawar, Pari Tembikar (Malaysian)<br />

Identifying features:<br />

1 small dorsal fin often present at base of tail<br />

2 small stinging spine present<br />

3 tail length about 2/3 snout-vent length (when undamaged)<br />

4 dorsal colour pattern variable, complex, usually with numerous dark spots interspersed<br />

with larger yellowish spots<br />

Size: To at least 108 cm DW; males mature by 46–50 cm DW; born at about 20–21 cm<br />

DW.<br />

Distribution: Tropical Indo–West Pacific, from India to eastern Indonesia, including<br />

the Philippines.<br />

Habitat and biology: Demersal inshore, in shallow water to depths of at least 37<br />

m. Viviparous, with histotrophy; litters of 2–4 pups, gestation period unknown. Diet<br />

consists primarily of small fishes and crustaceans.


M y l i o b a t o i d e i 241<br />

Utilisation: Frequently caught as bycatch of demersal trawl, trammel and gillnet<br />

fisheries, and occasionally by tangle nets. Utilised for its meat throughout the region,<br />

but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Gymnura japonica (Temminck & Schlegel): White et al. (2006b),<br />

White & Dharmadi (2007); Aetoplatea zonura Bleeker: Yano et al. (2005).<br />

References: Jacobsen & Bennett (2009).<br />

1<br />

Lateral anterior tail<br />

2<br />

In Borneo: Sarawak, Sabah, and eastern<br />

and western Kalimantan.<br />

Gymnuridae (Butterfly Rays)<br />

Ventral disc


242 S h a r k s a n d R a y s o f B o r n e o<br />

Longhead Eagle Ray<br />

Aetobatus flagellum (Bloch & Schneider, 1801)<br />

2<br />

5<br />

1<br />

Other names: None (English), Pari Burung (Indonesian), Pari Lang (Malaysian)<br />

Identifying features:<br />

1 dorsal disc surface plain, unspotted<br />

2 snout very long, narrowly rounded<br />

3 nasal curtain V-shaped<br />

4 teeth in a single row in both jaws, chevron-shaped<br />

5 spiracles dorsolateral on head<br />

Size: To at least 72 cm DW; males mature at >44 cm DW.<br />

Distribution: Tropical Indo–West Pacific, from the Red Sea to Indonesia and Malaysia;<br />

Japanese populations appear to belong to a larger, distinct species.<br />

Habitat and biology: Habitat and biology poorly known; locally, appears to occur<br />

offshore. Presumably viviparous, with histotrophy. Diet unknown but likely to consist of


M y l i o b a t o i d e i 243<br />

bivalves and other hard-shelled invertebrates.<br />

Utilisation: Caught infrequently, usually by bottom trawl and demersal gillnet fisheries.<br />

Used for its meat, but of limited value due to its rarity.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: None.<br />

References: None.<br />

Upper tooth plate<br />

3<br />

Ventral head<br />

In Borneo: Uncommon, known from<br />

western Kalimantan and northeastern<br />

Sabah.<br />

Myliobatidae (Eagle Rays)<br />

4<br />

Lower tooth plate


244 S h a r k s a n d R a y s o f B o r n e o<br />

Whitespotted Eagle Ray<br />

Aetobatus ocellatus (Kuhl, 1823)<br />

2<br />

5<br />

1<br />

Other names: Bonnet Skate, Duckbill Ray, Spotted Eagle Ray (English), Pari Burung,<br />

Pari Ayam (Indonesian), Pari Lang Bintik Putih, Pari Lang, Pari Helang (Malaysian)<br />

Identifying features:<br />

1 dorsal disc surface usually with numerous white spots (sometimes sparse and<br />

confined to posterior disc)<br />

2 snout moderately long, broadly rounded<br />

3 nasal curtain V-shaped<br />

4 teeth in a single row in both jaws, chevron-shaped<br />

5 spiracles dorsolateral on head<br />

Size: To at least 300 cm DW (possibly to 330 cm DW), more commonly to about<br />

160 cm DW; males mature at 100–110 cm DW; born at 33–36 cm DW.<br />

Distribution: Tropical and warm temperate seas of the Indo–West Pacific, from the<br />

Red Sea and South Africa to Hawaii, north to Japan, and south to Australia.


M y l i o b a t o i d e i 245<br />

Habitat and biology: Inshore and benthopelagic on continental shelves, occasionally<br />

found in estuaries and near atolls, but also well offshore in open water. Viviparous, with<br />

histotrophy; gives birth to litters of 2–4 pups after an unknown gestation period. Diet<br />

consists primarily of bivalves, as well as gastropods, polychaetes, small fishes, crustaceans<br />

and cephalopods. Belongs to a group of very similar, white-spotted eagle rays.<br />

Utilisation: Commonly taken by demersal tangle net, bottom trawl, inshore gillnet<br />

and, to a lesser extent, demersal longline. Caught for its meat and cartilage.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Aetobatus narinari (Euphrasen, 1790): Yano et al. (2005), White et al.<br />

(2006b); Aetobatus cf. narinari (Euphrasen, 1790): Compagno et al. (2005b); Aetobatus<br />

guttatus (Shaw, 1804): Compagno & Last (1999a); Raia quinqueaculeata Quoy & Gaimard,<br />

1824.<br />

References: White et al. (2010d).<br />

3<br />

Ventral head<br />

Myliobatidae (Eagle Rays)<br />

In Borneo: Widespread.<br />

Upper tooth plate<br />

4<br />

Juvenile - dorsal disc (465 mm DW)<br />

Lower tooth plate


246 S h a r k s a n d R a y s o f B o r n e o<br />

Mottled Eagle Ray<br />

Aeto<strong>my</strong>laeus maculatus (Gray, 1834)<br />

1<br />

6<br />

4<br />

3<br />

2<br />

Other names: Ocellate Eagle Ray, Ornate Eagle Ray (English), Pari Burung<br />

(Indonesian), Pari-lang Tompok Putih (Malaysian)<br />

Identifying features:<br />

1 fleshy ridge on side of head not connected to edge of disc<br />

2 sting absent<br />

3 dorsal-fin posterior margin upright, its origin slightly posterior to pelvic-fin<br />

insertions<br />

4 upper surface brown with whitish spots (with weak ocelli on posterior half of disc in<br />

young)<br />

5 edge of nasal curtain near mouth almost straight<br />

6 spiracles lateral on head<br />

7 small eagle ray, attaining about 100 cm DW<br />

Size: To at least 100 cm DW; males mature by 71 cm DW; born at about 29 cm DW.<br />

Distribution: Eastern Indian Ocean to western Pacific including Malaysia, Thailand,<br />

Indonesia and southern China; possibly west to India and excluding Australia.


M y l i o b a t o i d e i 247<br />

Habitat and biology: Largely unknown, but typically found inshore. Presumably<br />

viviparous, with histotrophy. Diet unknown, but possibly consists of bivalves and other<br />

bottom-dwelling invertebrates. A similar form in the western Indian Ocean appears to<br />

be another species.<br />

Utilisation: Caught occasionally in the region by bottom trawl, tangle net and inshore<br />

gillnet fisheries. Used for its meat, but of limited value as it is not frequently landed.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: None. Authority previously considered to be Gray, 1832 but publication<br />

date listed on Eschmeyer’s Catalog of Fishes as 1 October 1834.<br />

References: None.<br />

5<br />

Ventral head<br />

In Borneo: Widespread.<br />

Myliobatidae (Eagle Rays)<br />

Upper tooth plate<br />

4<br />

Juvenile - dorsal disc (~250 mm DW)<br />

Lower tooth plate


248 S h a r k s a n d R a y s o f B o r n e o<br />

Banded Eagle Ray<br />

Aeto<strong>my</strong>laeus nichofii (Bloch & Schneider, 1801)<br />

1<br />

6<br />

4<br />

3<br />

2<br />

Other names: Barbless Eagle Ray, Nieuhof’s Eagle Ray (English), Pari Burung, Pe<br />

Lamping (Indonesian), Pari-lang Jalur (Malaysian)<br />

Identifying features:<br />

1 fleshy ridge on side of head not connected to edge of disc<br />

2 sting absent<br />

3 dorsal-fin posterior margin strongly angled, its origin slightly anterior to or opposite<br />

pelvic-fin insertions<br />

4 upper surface yellowish brown with about 5 bluish bands (often faint)<br />

5 edge of nasal curtain near mouth almost straight<br />

6 spiracles lateral on head<br />

Size: To at least 72 cm DW; males mature at 39–42 cm DW; born at about 17 cm DW.<br />

Distribution: Indo–West Pacific from India (possibly westwards to the Arabian Gulf)<br />

through Indonesia and northward to Japan; excluding Australia.


M y l i o b a t o i d e i 249<br />

Habitat and biology: Occurs on or near the bottom intertidally, but mainly offshore<br />

to depths of at least 70 m. Little known of its biology; viviparous, with histotrophy; gives<br />

birth to litters of up to 4 pups after an unknown gestation period. Diet presumably consists<br />

of bivalves and other small invertebrates. A similar form occurring in Australian seas<br />

appears to be a distinct species.<br />

Utilisation: Frequently caught by bottom trawl and inshore gillnets but in low numbers.<br />

Used for its meat, but of limited value due to its small size.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: None.<br />

References: None.<br />

5<br />

Ventral head<br />

In Borneo: Widespread.<br />

Myliobatidae (Eagle Rays)<br />

Upper tooth plate<br />

Lower tooth plate


250 S h a r k s a n d R a y s o f B o r n e o<br />

Ornate Eagle Ray<br />

Aeto<strong>my</strong>laeus vespertilio (Bleeker, 1852)<br />

1<br />

6<br />

4<br />

3<br />

2<br />

Other names: Reticulate Eagle Ray (English), Pari Burung (Indonesian), Pari Lang<br />

Bunga (Malaysian)<br />

Identifying features:<br />

1 fleshy ridge on side of head not connected to edge of disc<br />

2 sting absent<br />

3 dorsal-fin posterior margin upright, its origin posterior to pelvic-fin insertions<br />

4 upper surface greenish brown with thin dark transverse lines anteriorly and whitish<br />

rings and dark reticulations posteriorly<br />

5 edge of nasal curtain near mouth almost straight<br />

6 spiracles lateral on head<br />

7 large eagle ray, attaining 300 cm or more DW<br />

Size: To at least 300 cm DW (possibly to 350 cm DW); males mature by 170 cm DW.<br />

Distribution: Indo–West Pacific but patchy; southern Africa to China (including<br />

Taiwan), and south to northern Australia.<br />

Habitat and biology: Habitat and biology little known, typically found on the continen-


M y l i o b a t o i d e i 251<br />

tal shelf but rarely near the coast. Presumably viviparous, with histotrophy. Diet probably<br />

consists of bivalves and other bottom-dwelling invertebrates. Juveniles of the smaller<br />

Aeto<strong>my</strong>laeus maculatus also have an ornate colour pattern but lack distinctive transverse<br />

black lines on the anterior disc.<br />

Utilisation: Caught rarely by bottom trawl and tangle net fisheries. Used primarily for<br />

its meat, but of limited value as it is not frequently landed.<br />

Conservation status: IUCN Red List: Endangered.<br />

Local synonyms: None.<br />

References: None.<br />

5<br />

Ventral head<br />

In Borneo: Known locally from a<br />

few individuals collected off Sabah and<br />

Kalimantan.<br />

Myliobatidae (Eagle Rays)<br />

Upper tooth plate<br />

Lower tooth plate


252 S h a r k s a n d R a y s o f B o r n e o<br />

Javanese Cownose Ray<br />

Rhinoptera javanica Müller & Henle, 1841<br />

1<br />

2<br />

5<br />

7<br />

4<br />

Other names: Cow Ray, Flapnose Ray (English), Pari Burung, Pari Elang<br />

(Indonesian), Pari-kelawar Jawa, Pari Ayam, Pari Lang, Pari Susun (Malaysian)<br />

Identifying features:<br />

1 snout strongly notched medially to form two lobes<br />

2 head relatively narrow, its width at spiracle 14.5–16% of disc width<br />

3 rostral flap short, its fleshy posterior edge not (or just) reaching mouth<br />

4 tail long, about 2.6–3.4 times disc length (when undamaged)<br />

5 dorsal-fin origin distinctly behind pectoral-fin insertions<br />

6 posterior margin of dorsal fin strongly concave<br />

7 sting base (when present) behind dorsal-fin free rear tip<br />

8 large species, adults possibly exceeding 150 cm DW<br />

Size: To at least 150 cm DW; males still immature at 90 cm DW, newborns observed at<br />

38 cm DW.


M y l i o b a t o i d e i 253<br />

Distribution: Central western Pacific, from Thailand to Australia and north to the East<br />

China Sea; poorly defined due to confusion with other species.<br />

Habitat and biology: Preferred habitat and biology poorly known; patchy, but most<br />

common inshore in bays, estuaries and near coral reefs. Viviparous, with histotrophy; one<br />

large pregnant female in Indonesia (~130 cm DW) contained a single, late-term embryo<br />

of about 60 cm DW. Diet presumably consists mainly of bivalves and other bottomdwelling<br />

invertebrates.<br />

Utilisation: Caught occasionally by bottom trawl, demersal inshore gill and tangle net<br />

fisheries. Sold mainly for its meat, but not of high value.<br />

Conservation status: IUCN Red List: Vulnerable.<br />

Local synonyms: Rhinoptera adspersa Müller & Henle, 1841.<br />

References: None.<br />

1<br />

3<br />

Rhinopteridae (Cownose Rays)<br />

Ventral head<br />

In Borneo: Apparently uncommon,<br />

known only from eastern Sabah and<br />

western Kalimantan.<br />

3<br />

5 6<br />

7<br />

Lateral dorsal fin and anterior tail<br />

Lateral head


254 S h a r k s a n d R a y s o f B o r n e o<br />

Short-tail Cownose Ray<br />

Rhinoptera jayakari Boulenger, 1895<br />

1<br />

2<br />

5<br />

7<br />

4<br />

Other names: None (English), Pari Elang (Indonesian), Pari Lang (Malaysian)<br />

Identifying features:<br />

1 snout strongly notched medially to form two lobes<br />

2 head relatively broad, its width at spiracle 16.5–17.5% of disc width<br />

3 rostral flap long, its fleshy posterior edge extending past mouth (almost to 1 st gill<br />

slit)<br />

4 tail short, about 1.4–1.8 times disc length (when undamaged)<br />

5 dorsal-fin origin over or slightly forward of pectoral-fin insertions<br />

6 dorsal-fin posterior margin almost upright<br />

7 sting base (when present) beneath dorsal-fin inner margin<br />

8 smaller species, adults attaining at least 90 cm DW<br />

Size: To at least 90 cm DW, possibly to 110 cm DW in the western Indian Ocean; male<br />

holotype sexually mature at about 73 cm DW.


M y l i o b a t o i d e i 255<br />

Distribution: Widespread in the tropical Indo–West Pacific, from southern Africa to<br />

eastern Indonesia, north to Japan and possibly Australia; poorly defined and often<br />

confused with R. javanica.<br />

Habitat and biology: Preferred habitat and biology poorly known. Often pelagic in<br />

large schools, near the coast and well offshore; the more abundant of the two cownose<br />

rays in the region. Presumably viviparous, with histotrophy. Diet unknown but probably<br />

consisting mainly of bottom-dwelling invertebrates, as well as small pelagic animals.<br />

Utilisation: Caught occasionally by bottom trawl, demersal inshore gill and tangle net<br />

fisheries. Sold mainly for its meat, but of limited value.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: Rhinoptera sewelli Misra, 1946; Rhinoptera sp. 1: White et al. (2006b).<br />

References: None.<br />

1<br />

3<br />

Rhinopteridae (Cownose Rays)<br />

Ventral head<br />

In Borneo: Known off eastern Sabah,<br />

southern Sarawak and northwestern<br />

Kalimantan.<br />

5 6<br />

7<br />

3<br />

Lateral head<br />

Lateral dorsal fin and anterior tail


256 S h a r k s a n d R a y s o f B o r n e o<br />

Manta Ray<br />

Manta birostris (Walbaum, 1792)<br />

2<br />

1<br />

Other names: Devilfish, Manta, Giant Manta (English), Pari Kerbua, Plampangan,<br />

Cawang Kalung (Indonesian), Pari Kelawar, Pari Paus (Malaysian)<br />

Identifying features:<br />

1 head very broad<br />

2 mouth blackish, at end of snout<br />

3 teeth absent from upper jaw<br />

4 calcified lump posterior to dorsal fin<br />

5 large triangular blotch abutting 5 th gill slit<br />

6 attains a very large size, often well over 4 m wide<br />

Size: To at least 670 cm DW, unconfirmed reports to 910 cm DW need verifying;<br />

males and females mature at about 375–380 and 380–410 cm DW respectively; born at<br />

122–149 cm DW.<br />

Distribution: Circumtropical, occasionally making seasonal incursions into warm<br />

temperate waters.<br />

Habitat and biology: Wide-ranging, pelagic species found near the surface in tropical


M y l i o b a t o i d e i 257<br />

seas. Common near coral reefs but also occurs in the open ocean and inshore in muddy<br />

bays and river mouths. Swims continuously and rarely rests on the bottom. Viviparous,<br />

with histotrophy; gives birth to a single pup after an unknown gestation period. Feeds<br />

on zooplankton and small fishes; appears frequently over coral reefs during seasonal<br />

plankton blooms. Tends to be inquisitive and is easily approached by divers. A related<br />

species, M. alfredi (Krefft), has recently been recognised and has been recorded from<br />

north of Sabah. It lacks a caudal spine and calcified mass behind the dorsal fin, and has a<br />

paler mouth with a narrow streak at the end of the 5 th gill slit.<br />

Utilisation: Considered to be very vulnerable to overfishing but not observed in local<br />

markets. Elsewhere, caught occasionally by gillnet and harpoon fisheries and utilised for<br />

its gill filter plates (very high value), meat, cartilage and skin. Has considerable value for<br />

dive ecotourism.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: White et al. (2006a); Marshall et al. (2009).<br />

3<br />

Mobulidae (Devilrays)<br />

5<br />

Ventral head<br />

In Borneo: Single record from a fish<br />

market in northwestern Kalimantan<br />

presumably this species; observed regularly<br />

by divers at Derawan and Sipadan islands<br />

off eastern Borneo.<br />

4<br />

Embryo<br />

Lateral dorsal fin and anterior tail


258 S h a r k s a n d R a y s o f B o r n e o<br />

Borneo Devilray<br />

Mobula sp.<br />

1<br />

2<br />

4<br />

5<br />

Other names: None (English), none (Indonesian), Pari Paus (Malaysian)<br />

Identifying features:<br />

1 cephalic lobes relatively long, about 15% DW<br />

2 anterior margin of snout deeply concave<br />

3 mouth width much less than twice distance from its angle to junction of head lobe<br />

4 dorsal fin white tipped<br />

5 base of tail almost quadrangular in cross section<br />

6 spiracles located underneath disc edge<br />

7 mouth subterminal, located on underside of head<br />

Size: To at least 80 cm DW; nothing known of size at maturity or birth.<br />

Distribution: Possibly confined to the Indo–West Pacific, but its range not well<br />

defined.<br />

Habitat and biology: An uncommon, presumably inshore pelagic species. Biology<br />

unknown, presumably viviparous, with histotrophy. Diet probably consists of planktonic


M y l i o b a t o i d e i 259<br />

crustaceans, and possibly small fishes and cephalopods. Known from few specimens and<br />

its relationship to M. kuhlii needs further evaluation.<br />

Utilisation: Limited and not commonly observed in markets.<br />

Conservation status: IUCN Red List: Not Evaluated.<br />

Local synonyms: None.<br />

References: None.<br />

1<br />

2<br />

3<br />

7<br />

Ventral head<br />

In Borneo: Known from off Kuching,<br />

Sarawak.<br />

Mobulidae (Devilrays)<br />

6<br />

Dorsolateral head


260 S h a r k s a n d R a y s o f B o r n e o<br />

Japanese Devilray<br />

Mobula japanica (Müller & Henle, 1841)<br />

1<br />

Other names: Spinetail Mobula, Spinetail Devilray (English), Cawang Genul,<br />

Lampengan, Pari Lambingan, Plampangan (Indonesian), Pari Paus (Malaysian)<br />

Identifying features:<br />

1 disc broad and slightly falcate<br />

2 dorsal fin conspicuously white tipped<br />

3 small sting present on tail base<br />

4 spiracles slit-like and elliptical, located above disc edge<br />

5 mouth subterminal, located on underside of head<br />

Size: To at least 310 cm DW (usually less than 250 cm); males mature at 198–205 cm;<br />

late-term embryos observed up to 113 cm DW.<br />

Distribution: Circumtropical, occasionally making seasonal incursions into warm<br />

temperate waters.<br />

Habitat and biology: A large pelagic inshore and offshore (possibly oceanic) devilray.<br />

Viviparous, with histotrophy; gives birth to a single pup after an unknown gestation


M y l i o b a t o i d e i 261<br />

period. Feeds mainly on zooplankton and small fishes. Occurs in large schools and is<br />

occasionally observed by divers. Often confused with other devilrays.<br />

Utilisation: Rarely landed in Borneo but common bycatch of gillnet fisheries in other<br />

parts of the archipelago. Used for its gill filter plates (very high value), meat, cartilage<br />

and skin where caught in larger numbers.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: Mobula japonica (Müller & Henle): Yano et al. (2005).<br />

References: White et al. (2006a).<br />

Late-term embryo (498 mm DW)<br />

2<br />

3<br />

In Borneo: Recorded from Semporna in<br />

east Sabah.; probably widespread.<br />

Mobulidae (Devilrays)<br />

Lateral dorsal fin and sting<br />

4<br />

5<br />

Dorsolateral head<br />

Ventral head


262 S h a r k s a n d R a y s o f B o r n e o<br />

Lesser Devilray<br />

Mobula kuhlii (Müller & Henle, 1841)<br />

2<br />

1<br />

5<br />

Other names: Shortfin Devilray, Shorthorn Devilray (English), Pari Lambingan, Pari<br />

Lampengan (Indonesian), Pari Kelawar, Pari Paus, Tanpa Duri (Malaysian)<br />

Identifying features:<br />

1 cephalic lobes relatively short, 12–14% DW<br />

2 anterior margin of snout slightly concave<br />

3 mouth width much more than twice distance from its angle to junction of head lobe<br />

4 dorsal fin not white tipped<br />

5 base of tail quadrangular in cross section<br />

6 spiracles subcircular, located underneath disc edge<br />

7 mouth subterminal, located on underside of head<br />

Size: To at least 120 cm DW; males mature at 115–119 cm DW; born at about 31 cm<br />

DW.<br />

Distribution: Indo–West Pacific from eastern Africa to Indonesia, but actual range not<br />

well defined.


M y l i o b a t o i d e i 263<br />

Habitat and biology: A locally uncommon, small, inshore devilray. Viviparous, with<br />

histotrophy; probably giving birth to only a single pup. Diet unknown but presumably<br />

consists of planktonic crustaceans, and possibly small fishes and cephalopods. Other<br />

Mobula species probably occur in the deep oceanic waters off northern and eastern<br />

Borneo.<br />

Utilisation: Caught occasionally by sea gypsies off eastern Sabah and marketed mainly<br />

for its meat.<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Dicerobatis draco Günther, 1872.<br />

References: White et al. (2006a).<br />

1<br />

2<br />

3<br />

7<br />

Mobulidae (Devilrays)<br />

Ventral head<br />

In Borneo: Northeastern Borneo, off<br />

Sabah.<br />

4<br />

6<br />

5<br />

Lateral dorsal fin and anterior tail<br />

Dorsolateral head


264 S h a r k s a n d R a y s o f B o r n e o<br />

Bentfin Devilray<br />

Mobula thurstoni (Lloyd, 1908)<br />

1<br />

2<br />

5<br />

6<br />

Other names: Smoothtail Mobula (English), Pari Lempengan, Pari Lambingan,<br />

Plampangan (Indonesian), Pari Paus, Sirip Lekuk (Malaysian)<br />

Identifying features:<br />

1 cephalic lobes relatively short, 12–14% DW<br />

2 anterior margin of snout slightly concave<br />

3 mouth width much more than twice distance from its angle to junction of head lobe<br />

4 dorsal fin with prominent white tip<br />

5 outer anterior margin of pectoral fin with distinct concavity<br />

6 tail base depressed<br />

7 spiracles subcircular, located underneath disc edge<br />

8 mouth subterminal, located on underside of head<br />

Size: To at least 189 cm DW; males mature at 150–154 cm DW; born at 65–85 cm DW.<br />

Distribution: Probably circumtropical, but only known from scattered localities.<br />

Habitat and biology: Elsewhere in the archipelago, this medium-size devilray is a


M y l i o b a t o i d e i 265<br />

common coastal inshore and offshore pelagic species. Viviparous, with histotrophy;<br />

probably giving birth to a single pup. Feeds almost exclusively on planktonic<br />

crustaceans.<br />

Utilisation: Probably caught only occasionally and used for its meat, cartilage and skin.<br />

Conservation status: IUCN Red List: Near Threatened.<br />

Local synonyms: None.<br />

References: White et al. (2006a).<br />

1<br />

2<br />

3<br />

8<br />

Ventral head<br />

In Borneo: Single record from the<br />

Sandakan fish market, northeastern<br />

Sabah.<br />

Mobulidae (Devilrays)<br />

4<br />

6<br />

7<br />

Lateral dorsal fin and anterior tail<br />

Dorsolateral head


266 S h a r k s a n d R a y s o f B o r n e o<br />

Silver Chimaera<br />

Chimaera phantasma Jordan & Snyder, 1900<br />

4<br />

6<br />

2<br />

3<br />

5<br />

1<br />

7<br />

Other names: Ghost Shark (English), Hiu Hantu, Hiu Pogak (Indonesian), Chimara<br />

Perak, Ikan Tikus (Malaysian)<br />

Identifying features:<br />

1 anal fin present, separated from caudal fin by a narrow notch<br />

2 trunk lateral line canal with tight undulations along entire length<br />

3 body silver, occasionally with poorly defined dark longitudinal stripes<br />

4 1 st dorsal-fin spine long, extending to near or beyond fin apex<br />

5 2 nd dorsal fin dusky with a darker outer margin<br />

6 snout blunt, fleshy and short<br />

7 tail whip-like<br />

8 preopercular and oral lateral-line canals branch separately from the infraorbital canal<br />

Size: To at least 110 cm; males and females mature at >65 cm.<br />

Distribution: Western North Pacific, from Japan south to the Philippines and Borneo.<br />

Habitat and biology: Demersal on continental shelves and upper slopes in depths of<br />

20–550 m (150–200 m off Sarawak). Oviparous, depositing elliptical egg capsules (20<br />

cm in length) which have numerous longitudinal lines on surface. Diet consists of small<br />

benthic animals.<br />

Utilisation: Rarely caught in deeper waters by longlines and trawlers. Probably used for<br />

its meat as the flesh is good quality.


C h i m a e r i f o r m e s 267<br />

Conservation status: IUCN Red List: Data Deficient.<br />

Local synonyms: Chimaera sp.: Yano et al. (2005).<br />

References: Masuda et al. (1975); Dagit (2006).<br />

6<br />

Lateral head<br />

1<br />

8<br />

Lateral tail<br />

In Borneo: Known only from off<br />

Sarawak.<br />

7<br />

Chimaeridae (Shortnose Chimaeras)<br />

2<br />

Trunk lateral line canal


268 S h a r k s a n d R a y s o f B o r n e o<br />

Acknowledgements<br />

Many people have helped in one way or another in both the preparation of the book<br />

and in the project itself. This ground-breaking, joint Indonesian–Malaysian–American–<br />

Australian project was made possible primarily by the financial support of the National<br />

Science Foundation (NSF) since 2002 (grants NSF BS&I Nos. DEB 0103640, DEB<br />

0542941, DEB 0542846). Funding support was also made available from a Lerner-Gray<br />

post-doctoral award to KJ in 2006 and also the Judith Humphry Shaw fund.<br />

The project could not have succeeded without the assistance and advice of numerous<br />

colleagues. We would particularly like to thank: Dato’ Junaidi bin Che Ayub (Director<br />

General of Fisheries Malaysia), Raja Mohammad Noordin bin Raja Omar (Director<br />

of Fisheries Research Institute Malaysia), Albert Chuan Gambang (Head of Fisheries<br />

Research Institute Sarawak), Saleem Mustafa (Director, Borneo Marine Research Institute,<br />

Universiti Malaysia Sabah), Ridzwan Abdul Rahman (former Director, Borneo Marine<br />

Research Institute, Universiti Malaysia Sabah), Edward Rooney Biusing (former Deputy<br />

Director Fisheries Sabah) and Mohammed Adrim (LIPI). Colleagues participating in the<br />

UK Darwin project, particularly Sarah Fowler, Leonard Compagno, Rachael Cavanagh,<br />

Scott Mycock, Sid Cook and Michael Sugden, helped set the scene for this project.<br />

The genetics component of the project was made possible by the help of a number of<br />

colleagues, particularly Kerri Matthes, Clemens Lakner, Neil Aschliman (Florida State<br />

University) and Shannon Corrigan (CSIRO).<br />

Projects such as these are not possible without assistance during the numerous surveys<br />

and we would like to thank the following people for their help in the field: Loren Caira,<br />

Claire Healy (Royal Ontario Museum, Toronto), Hamri bin Hgi-Kating (Mukah trawler,<br />

Sarawak), Latip Sait (Sematan trawler, Sarawak), Asni Etin, Masni Etin and Salik Etin<br />

(Kampung Abai, Kinabatangan), staff of the Sabah Fisheries Department, Semporna<br />

district (for arranging use of their boat), Anchain and Roslie (Kampung Tetabuan,<br />

Sabah), the village head and family of Kampung Tetabuan at Labuk Bay, staff of UMS<br />

Seaweed Project, Pulau Banggi, Kudat district (for arranging use of their boat), Justin<br />

Tampuling (Universiti Malaysia Sabah), Mengke (Sungai Kakap), Junardi and Mugi<br />

Utomo (University of Tanjungpura), and the numerous people at each of the landing sites<br />

visited. Thanks also to Zainal Abidin and family (Kuching Fisheries, Sarawak), Rayner<br />

Galid (Director of Fisheries, Kota Kinabalu), Charles Greenwald (Jakarta), Isnol (fisheries<br />

officer, Sungai Kakap, Kalimantan), Alang (Jungkat ray collector, Kalimantan), Albert<br />

Gambang (Kuching Fisheries, Sarawak) for allowing us to participate on a cruise on their<br />

vessel KK Manchong.<br />

Survey trips would not be possible without acquisition of collecting permits and we<br />

acknowledge the following for their assistance: Annadel Cabanban (Universiti Malaysia<br />

Sabah), Margarita Naming and Madam Eileen Yen (Sarawak Biodiversity Center), Ge<strong>org</strong>e


A c k n o w l e d g e m e n t s 269<br />

Chong (Kuching Fisheries, Sarawak), Suharsono (Director of Research Centre for<br />

Oceanography LIPI, Jakarta), Ono Kurnaen Sumadhinarga (LIPI, Jakarta), Dedy Darnaedi<br />

(LIPI, Bogor), and Ruben Silitonga and Sri Wahyono (LIPI, Jakarta).<br />

The collections in Malaysian Borneo were conducted under the following permits<br />

and research agreements: UPE:40/200/19SJ.924 and UPE:40/200/19SJ.925 from the<br />

Economic Planning Unit in Kuala Lumpur; No. JKM 100-24/13/1/223(59) from the<br />

Chief Minister’s Department, Kota Kinabalu, Sabah, Malaysia; No. SBC-RA-0050-JNC<br />

from the Sarawak Biodiversity Center in Kuching; permit Nos. 06252/SU.3/KS/2006 and<br />

3861/SU.3/KS/2007 from LIPI in Jakarta, and 1586/FRP/SM/VII/2008 from RISTEK<br />

in Jakarta. Specimens collected during the project were deposited at various ichthyological<br />

collections and we thank the staff at these facilities, particularly Renny Kurnia Hadiaty<br />

and Ahmad Jauhar Arief (Museum Zoologicum Bogoriense, MZB, Cibinong), Albert Lo<br />

and Ge<strong>org</strong>e Jonis (Sabah Museum, Kota Kinabalu); Alastair Graham (CSIRO Marine &<br />

Atmospheric Research), Dave Catania (California Acade<strong>my</strong> of Sciences), and Morice<br />

Rowan, Stefanus Simon and Syuhaime Ahmat Ali (Borneo Marine Research Institute,<br />

Universiti Malaysia Sabah, Kota Kinabalu). A number of taxonomic issues arose during<br />

this project and we would like to thank the following people for providing material for<br />

comparison and assistance during museum visits: Martien van Oijen and Ronald de Ruiter<br />

(Rijksmuseum van Natuurlijke Histoire, RMNH, Leiden); Romain Causse, Bernard Séret,<br />

Guy Duhamel, Patrice Pruvost and Zora Gabsi (Muséum national d’Histoire naturelle,<br />

MNHN, Paris); Patrick Campbell and Oliver Crimmen (British Museum of Natural<br />

History, BMNH, London); Peter Bartsch (Museum fur Naturkunde, ZMB, Berlin); Ronald<br />

Vonk and Hielke Praagman (Zoologisch Museum, ZMA, Amsterdam); Gento Shinohara<br />

(National Science Museum, NSMT, Tokyo); Toshio Kawai (Hokkaido University, HUMZ,<br />

Hokkaido); Masato Moteki (Tokyo University Marine Science, MTUF, Tokyo); Kelvin<br />

Lim (National University of Singapore, NUS); Renny Kurnia Hadiaty and Ahmad Jauhar<br />

Arief (Museum Zoologicum Bogoriense, MZB, Jakarta); and Aaron Henderson (Sultan<br />

Qaboos University, Oman) and Alec Moore (RSK Group, UK).<br />

The following CSIRO Marine & Atmospheric Research (Wealth from Oceans Flagship)<br />

staff are also thanked: David Smith for project support, Louise Bell for cover page design,<br />

Louise Conboy for image preparation and acquistion, Melody Puckridge and Bob Ward<br />

for associated Barcode of Life input for some of the difficult taxa, Dan Gledhill for<br />

technical assistance, Joel MacKeen and Meredith Hepburn for acquisition of references,<br />

Tim Fountain for acquisition of meristic data, John Manger and Briana Elwood (CSIRO<br />

Publishing) for access to illustrations and map templates as well as assistance with aspects of<br />

book publishing. Thanks also to Ge<strong>org</strong>ina Davis, Stephanie Barnes and Lindsay Marshall<br />

(www.stickfigurefish.com.au) for providing high quality illustrations for the book.<br />

Some images were sourced from external localities and those that provided these images<br />

are thanked: Alec Moore (RSK Group, UK), Dr O. Gadig (Universidade Estadual Paulista,<br />

Brazil), Mike Severns (Hawaii) and Dr J. Randall (Bishop Museum, Hawaii).


270 S h a r k s a n d R a y s o f B o r n e o<br />

Images sourced outside Borneo<br />

Hexanchus griseus: lateral (Brazil). Centrophorus moluccensis: lateral (Lombok, Indonesia).<br />

Orectolobus leptolineatus: ventral head, embryo (Lombok, Indonesia). Chiloscyllium<br />

plagiosum: juvenile (Hong Kong). Nebrius ferrugineus: lateral, ventral head (Western<br />

Australia); dorsal fins (Singapore). Stegostoma fasciatum: lateral, ventral head (Queensland,<br />

Australia). Rhincodon typus: lateral (Japan). Alopias pelagicus: lateral, ventral head (Bali,<br />

Indonesia). Isurus oxyrinchus: lateral, ventral head (Lombok, Indonesia). Apristurus<br />

platyrhynchus: lateral, ventral head (New South Wales, Australia); flank denticles (Western<br />

Australia). Halaelurus maculosus: lateral, ventral head, dorsal head and anterior trunk (Bali,<br />

Indonesia); egg case (Lombok, Indonesia). Chaenogaleus macrostoma: lateral (Qatar); ventral<br />

head (West Java, Indonesia). Carcharhinus albimarginatus: lateral, ventral head (Western<br />

Australia). Carcharhinus amblyrhynchos: embryo (Lombok, Indonesia). Carcharhinus<br />

dussumieri: ventral head (West Java, Indonesia). Carcharhinus falciformis: lateral, ventral<br />

head (Lombok, Indonesia). Carcharhinus plumbeus: lateral (Bali, Indonesia). Galeocerdo<br />

cuvier: lateral (Bali, Indonesia); ventral head (Queensland, Australia). Prionace glauca: lateral<br />

(Tasmania, Australia); ventral head (Queensland, Australia).Triaenodon obesus: lateral<br />

(Bali, Indonesia). Eusphyra blochii: lateral (West Java, Indonesia); ventral head (northern<br />

Australia). Anoxypristis cuspidata: dorsal, ventral head, caudal fin (Queensland, Australia).<br />

Pristis microdon: dorsal, ventral head, caudal fin (Queensland, Australia). Pristis zijsron: dorsal,<br />

ventral head, caudal fin (Queensland, Australia). Rhina ancylostoma: dorsal (Bali, Indonesia);<br />

lateral head (East Java, Indonesia). Glaucostegus typus: ventral head (Queensland, Australia);<br />

lateral tail (West Papua, Indonesia). Plesiobatis daviesi: dorsal (West Java, Indonesia); oronasal<br />

(New South Wales, Australia). Dasyatis microps: dorsal (Gulf of Carpentaria, Australia).<br />

Dasyatis ushiei: dorsal, ventral disc, nuchal area (Lombok, Indonesia). Himantura fai: nuchal<br />

area (Queensland, Australia). Himantura granulata: dorsal (East Java, Indonesia); nuchal<br />

area (Queensland, Australia). Himantura jenkinsii: dorsal tail thorns, nuchal area (West<br />

Java, Indonesia). Himantura leoparda: ventral disc, nuchal area (Queensland, Australia), tail<br />

section - dorsal and ventral (Manila, Philippines). Himantura uarnacoides: nuchal area (West<br />

Java, Indonesia). Pteroplatytrygon violacea: dorsal (Lombok, Indonesia); ventral disc (Bali,<br />

Indonesia). Taeniurops meyeni: dorsal, ventral disc (Bali, Indonesia). Urogymnus asperrimus:<br />

dorsal (Marshall Islands). Gymnura zonura: lateral anterior tail (Bali, Indonesia). Aetobatus<br />

flagellum: dorsal, ventral head (West Java, Indonesia). Aeto<strong>my</strong>laeus vespertilio: dorsal, ventral<br />

head (Queensland, Australia). Rhinoptera javanica: ventral head, lateral head, lateral dorsal<br />

fin and anterior tail (Queensland, Australia). Rhinoptera jayakari: lateral head, lateral dorsal<br />

fin and anterior tail (Lombok, Indonesia). Manta birostris: dorsal, lateral dorsal fin and<br />

anterior tail (Lombok, Indonesia); embryo (West Java, Indonesia). Mobula japanica: dorsal,<br />

dorsolateral head (Lombok, Indonesia); lateral dorsal fin and sting (East Java, Indonesia);<br />

ventral head (Bali, Indonesia). Mobula thurstoni: dorsal, ventral head, dorsolateral head,<br />

lateral dorsal fin and anterior tail (Lombok, Indonesia).


271<br />

References<br />

Ahmad, A., Lim, A.P.K., Abdul Rahman, M., Raja Bidin, R.H., Gambang, A.C. & Nor<br />

Azman, Z. (2008) Panduan mengenali spesies ikan yu di Malaysia, Brunei Darussalam,<br />

Indonesia dan Thailand. Jabatan Perikanan Malaysia. 209 pp.<br />

Allen, G.R. (2008). Conservation hotspots of biodiversity and endemism for Indo–<br />

Pacific coral reef fishes. Aquatic Conservation: Marine & Freshwater Ecosystems 18:<br />

541–556.<br />

Bor, P.H.F., Oijen, M.J.P. van & Magenta, C. (2003) The egg capsule of the coral cat<br />

shark, Atelo<strong>my</strong>cterus marmoratus (Bennett, 1830) (Chondrichthyes: Scyliorhinidae).<br />

Zoologische Mededelingen Leiden 77: 325–330.<br />

Cantor, T.E. (1849) Catalogue of Malayan fishes. Journal and Proceedings of the Asiatic<br />

Society of Bengal 18(2): i–xii, 983–1443.<br />

Carvalho, M.R. de. (1999) A systematic revision of the electric ray genus Narcine Henle,<br />

1834 (Chondrichthyes: Torpediniformes: Narcinidae), and the higher-level relationships of the<br />

elasmobranch fishes (Chondrichthyes). Unpubl. PhD thesis, The City University of New<br />

York. 735 pp.<br />

Carvalho, M.R. de, Compagno, L.J.V. & Last, P.R. (1999) Family Narcinidae,<br />

numbfishes, pp. 1433–1442. In: K.E. Carpenter & V.H. Niem (eds). FAO Species<br />

Identification Guide for Fishery Purposes. The Living Marine Resources of the Western<br />

Central Pacific. Volume 3: Batoid Fishes, Chimaeras and Bony Fishes Part I (Elopidae to<br />

Linophrynidae). Food and Agriculture Organization of the United Nations, Rome.<br />

Chen, W.K., Chen, P.C., Liu, K.M. & Wang, S.B. (2007) Age and growth estimates of<br />

the whitespotted bamboo shark, Chiloscyllium plagiosum, in the northern waters of<br />

Taiwan. Zoological Studies 46: 92–102.<br />

Compagno, L.J.V. (2001) <strong>Sharks</strong> of the world. An annotated and illustrated catalogue of shark<br />

species known to date. Volume 2. Bullhead, mackerel and carpet sharks (Heterodontiformes,<br />

Lamniformes and Orectolobiformes). FAO, Rome.<br />

Compagno, L.J.V., Dando, M. & Fowler, S. (2005a) A field guide to the sharks of the world.<br />

Harper Collins Publishing Ltd., London, 368 pp.<br />

Compagno, L.J.V. & Last, P.R. (1999a) Family Myliobatidae, eagle rays, pp. 1511–1519.<br />

In: K.E. Carpenter & V.H. Niem (eds). FAO Species Identification Guide for Fishery<br />

Purposes. The Living Marine Resources of the Western Central Pacific. Volume 3: Batoid<br />

Fishes, Chimaeras and Bony Fishes Part I (Elopidae to Linophrynidae). Food and<br />

Agriculture Organization of the United Nations, Rome.<br />

Compagno, L.J.V. & Last, P.R. (1999b) Family Narkidae, sleeper rays, pp. 1443–1446.<br />

In: K.E. Carpenter & V.H. Niem (eds). FAO Species Identification Guide for Fishery<br />

Purposes. The Living Marine Resources of the Western Central Pacific. Volume 3: Batoid


272 S h a r k s a n d R a y s o f B o r n e o<br />

Fishes, Chimaeras and Bony Fishes Part I (Elopidae to Linophrynidae). Food and<br />

Agriculture Organization of the United Nations, Rome.<br />

Compagno, L.J.V & Last, P.R. (2010) A new species of wedgefish, Rhynchobatus springeri<br />

(Rhynchobatoidei, Rhynchobatidae), from the Western Pacific. In: P.R. Last, W.T.<br />

White & J.J. Pogonoski (eds). Descriptions of New <strong>Sharks</strong> and Rays from Borneo.<br />

CSIRO Marine and Atmospheric Research Paper 032.<br />

Compagno, L.J.V., Last, P.R., Stevens, J.D. & Alava, M.N.R. (2005b) Checklist of<br />

Philippine Chondrichthyes. CSIRO Marine Laboratories Report 243, 103 pp.<br />

Compagno, L.J.V., White, W.T. & Cavanagh, R.D. (2010) Glyphis fowlerae sp. nov., a<br />

new species of river shark (Carcharhiniformes; Carcharhinidae) from northeastern<br />

Borneo. In: P.R. Last, W.T. White & J.J. Pogonoski (eds). Descriptions of New <strong>Sharks</strong><br />

and Rays from Borneo. CSIRO Marine and Atmospheric Research Paper 032.<br />

Cook, S.F. & Compagno, L.J.V. (1996) Preliminary field report and recommendations<br />

for structuring the freshwater and marine inshore elasmobranch project in Sabah,<br />

east Malaysia. Chondros research report 9602A.<br />

Dagit, D.D. (2006) Chimaera phantasma. In: IUCN 2009. IUCN Red List of Threatened<br />

Species. Version 2009.2. www.iucnredlist.<strong>org</strong> Accessed on 04 January 2010.<br />

Devadoss, P. & Batcha, H. (1995) Some observations on the rare bow-mouth guitar fish<br />

Rhina ancylostoma. Marine Fisheries Information Service 138: 10–11.<br />

Ebert, D.A. (2003) <strong>Sharks</strong>, rays and chimaeras of California. University of California Press,<br />

Berkeley, LA, London, 284 pp.<br />

Fahmi & Adrim, M. (2009) The first record of a shark of the genus Glyphis in Indonesia.<br />

The Raffles Bulletin of Zoology 57: 113–118.<br />

Fowler, H.W. (1941) The fishes of the groups Elasmobranchii, Holocephali, Isospondyli,<br />

and Ostariophysi obtained by United States Bureau of Fisheries Steamer Albatross in<br />

1907 to 1910, chiefly in the Philippine Islands and adjacent seas. Bulletin of the United<br />

States National Museum (100) 13: 1–879.<br />

Fowler, S.L., Manjaji, B.M., Cavanagh, R.D., Compagno, L.J.V., Mycock, S.G. & Last,<br />

P. (1999) Elasmobranch biodiversity, conservation and management in Sabah. In:<br />

B. Séret & J.-Y. Sire (eds) Proceedings of the 5th Indo-Pacific Fish Conference, Noumea,<br />

1997. Societe Francais d’Ichthyologie, Paris.<br />

Fowler, S.L. & Payne, J. (1995) Freshwater elasmobranchs in the Kinbatangan River, East<br />

Malaysia. Chondros 6(2): 6–8.<br />

Frimodt, C. (1995) Multilingual illustrated guide to the world’s commercial warmwater fish.<br />

Fishing News Books, Osney Mead, Oxford, England. 215 pp.<br />

Heckel, J.J. (1843) Ichthyologie [von Syrien]. In: J. von Russegger. Reisen in Europa,<br />

Asien und Africa, mit besonderer Rücksicht auf die naturwissenschaftlichen Verhältnisse der


R e f e r e n c e s 273<br />

betreffenden Länder unternommen in den Jahren 1835 bis 1841 1 (pt 2): 990–1099.<br />

Ishihara, H. (1987) Revision of the Western North Pacific species of the genus Raja.<br />

Japanese Journal of Ichthyology 34: 241-285.<br />

Jacobsen, I.P. & Bennett, M.B. (2009) A taxonomic revision of the Australian Butterfly<br />

Ray Gymnura australis (Ramsay & Ogilby, 1886) and other members of the family<br />

Gymnuridae (Order Rajiformes) from the Indo–West Pacific. Zootaxa 2229: 1–28.<br />

Kawauchi, J., Sasahara, R., Sato, K. & Nakaya, K. (2008) Occurrence of the deep-water<br />

catsharks Apristurus platyrhynchus and Apristurus pinguis in the Indian and Western<br />

South Pacific Oceans (Carcharhiniformes: Scyliorhinidae), pp. 75–91. In: P.R. Last,<br />

W.T. White & J.J. Pogonoski (eds). Descriptions of New Australian Chondrichthyans.<br />

CSIRO Marine and Atmospheric Research Paper 022, 358 pp.<br />

Last, P.R. & Compagno, L.J.V. (1999) Family Anacanthobatidae, legskates, pp. 1462–<br />

1466. In: K.E. Carpenter & V.H. Niem (eds). FAO Species Identification Guide for<br />

Fishery Purposes. The Living Marine Resources of the Western Central Pacific. Volume 3:<br />

Batoid Fishes, Chimaeras and Bony Fishes Part I (Elopidae to Linophrynidae). Food and<br />

Agriculture Organization of the United Nations, Rome.<br />

Last, P.R., Fahmi & Ishihara, H. (2010a) Okamejei cairae sp. nov. (Rajoidei: Rajidae), a<br />

new skate from the South China Sea. In: P.R. Last, W.T. White & J.J. Pogonoski (eds).<br />

Descriptions of New <strong>Sharks</strong> and Rays from Borneo. CSIRO Marine and Atmospheric<br />

Research Paper 032.<br />

Last, P.R., Fahmi & Naylor, G.J.P. (2010b) Pastinachus stellurostris sp. nov., a new stingray<br />

(Elasmobranchii: Myliobatiformes) from Indonesian Borneo. In: P.R. Last, W.T.<br />

White & J.J. Pogonoski (eds). Descriptions of New <strong>Sharks</strong> and Rays from Borneo.<br />

CSIRO Marine and Atmospheric Research Paper 032.<br />

Last, P.R. & Lim, A.P.K. (2010) A new species of skate, Okamejei jensenae sp. nov.<br />

(Rajoidei: Rajidae), from the seas off Borneo, with a redescription of the<br />

Kwangtung Skate, Dipturus kwangtungensis Chu. In: P.R. Last, W.T. White & J.J.<br />

Pogonoski (eds). Descriptions of New <strong>Sharks</strong> and Rays from Borneo. CSIRO Marine<br />

and Atmospheric Research Paper 032.<br />

Last, P.R., Manjaji, B.M. & Yearsley, G.K. (2005) Pastinachus solocirostris sp. nov., a<br />

new species of stingray (Elasmobranchii: Myliobatiformes) from the Indo–Malay<br />

Archipelago. Zootaxa 1040: 1–16.<br />

Last, P.R. & Manjaji-Matsumoto, B.M. (2008) Himantura dalyensis sp. nov., a new<br />

estuarine whipray (Myliobatoidei: Dasyatidae) from northern Australia, pp. 283–291.<br />

In: P.R. Last, W.T. White & J.J. Pogonoski (eds). Descriptions of New Australian<br />

Chondrichthyans. CSIRO Marine and Atmospheric Research Paper 022, 358 pp.<br />

Last, P.R. & Manjaji-Matsumoto, B.M. (2010) Description of a new stingray, Pastinachus<br />

gracilicaudus sp. nov. (Elasmobranchii: Myliobatiformes), based on material from


274 S h a r k s a n d R a y s o f B o r n e o<br />

the Indo-Malay Archipelago. In: P.R. Last, W.T. White & J.J. Pogonoski (eds).<br />

Descriptions of New <strong>Sharks</strong> and Rays from Borneo. CSIRO Marine and Atmospheric<br />

Research Paper 032.<br />

Last, P.R., Pogonoski, J.J. & White, W.T. (2010c) A new wobbegong shark, Orectolobus<br />

leptolineatus sp. nov. (Orectolobiformes: Orectolobidae), from the Western Central<br />

Pacific. In: P.R. Last, W.T. White & J.J. Pogonoski (eds). Descriptions of New <strong>Sharks</strong><br />

and Rays from Borneo. CSIRO Marine and Atmospheric Research Paper 032.<br />

Last, P.R. & Stevens, J.D. (2009) <strong>Sharks</strong> and rays of Australia. Second Edition. CSIRO<br />

Publishing, Australia, 644 pp.<br />

Last, P.R. & White, W.T. (2008) Dasyatis parvonigra sp. nov., a new species of stingray<br />

(Myliobatoidei: Dasyatidae) from the tropical eastern Indian Ocean, pp. 275–282.<br />

In: P.R. Last, W.T. White & J.J. Pogonoski (eds). Descriptions of New Australian<br />

Chondrichthyans. CSIRO Marine and Atmospheric Research Paper 022, 358 pp.<br />

Last, P.R., White, W.T. & Stevens, J.D. (2007) Part 5 — New species of Squalus of the<br />

‘highfin megalops group’ from the Australasian region, pp. 39–53. In: P.R. Last, W.T.<br />

White & J.J. Pogonoski (eds). Descriptions of new dogfishes of the genus Squalus<br />

(Squaloidea: Squalidae). CSIRO Marine and Atmospheric Research Paper 014, 130 pp.<br />

Manjaji, B.M. (2002a) Elasmobranchs recorded from the rivers and estuaries in Sabah,<br />

pp. 194–198. In: S.L. Fowler, T.M. Reed & F.A. Dipper (eds). Elasmobranch biodiversity,<br />

conservation and management: proceedings of the international seminar and workshop, Sabah,<br />

Malaysia. Occasional Paper of the IUCN Species Survival Commission, no.25,<br />

Gland, Switzerland; Cambridge, UK: IUCN.<br />

Manjaji, B.M. (2002b) New records of elasmobranch species from Sabah, pp. 70–77.<br />

In: S.L. Fowler, T.M. Reed & F.A. Dipper (eds). Elasmobranch biodiversity, conservation<br />

and management: proceedings of the international seminar and workshop, Sabah, Malaysia.<br />

Occasional Paper of the IUCN Species Survival Commission, no.25, Gland,<br />

Switzerland; Cambridge, UK: IUCN.<br />

Manjaji-Matsumoto, B.M. & Last, P.R. (2006) Himantura lobistoma, a new whipray<br />

(Rajiformes: Dasyatidae) from Borneo, with comments on the status of Dasyatis<br />

microphthalmus. Ichthyological Research 53: 290–297.<br />

Manjaji-Matsumoto, B.M. & Last, P.R. (2008) Himantura leoparda sp. nov., a new whipray<br />

(Myliobatoidei: Dasyatidae) from the Indo–Pacific, pp. 293–301. In: P.R. Last, W.T.<br />

White & J.J. Pogonoski (eds). Descriptions of New Australian Chondrichthyans.<br />

CSIRO Marine and Atmospheric Research Paper 022, 358 pp.<br />

Masuda, H., Araga, C. & Yoshino, T. (1975) Coastal fishes of southern Japan. Tokai<br />

University Press, Tokyo, Japan. 382 pp.<br />

Mohsin, A.K.M., Hayase, S., Said, M.Z.M., Ambak, M.A., Shukoor, A.S.A. & Sekioka,<br />

M. (1988) Trawl catch composition of the EEZ of Sarawak water, pp. 123-134.<br />

In: A.K.M. Mohsin & Mohamed, M.I.H (eds) Ekspedisi Matahari ’87: a study on


R e f e r e n c e s 275<br />

the offshore waters of the Malaysian EEZ. Universiti Peranian Malaysia, Occasional<br />

Publication No. 8.<br />

Pickell, D. & Siagian, W. (2000) Diving Bali: the underwaters jewel of Southeast Asia. Periplus<br />

Editions (HK), Ltd. 223 pp.<br />

Pierce, S.J., White, W.T. & Marshall, A.D. (2008) New record of the smalleye stingray,<br />

Dasyatis microps (Myliobatiformes: Dasyatidae) from the western Indian Ocean.<br />

Zootaxa 1734: 65–68.<br />

Schaaf-Da Silva, J.A. & Ebert, D.A. (2008) A taxonomic revision of the western<br />

North Pacific swell sharks, genus Cephaloscyllium Gill 1862 (Chondrichthyes:<br />

Carcharhiniformes: Scyliorhinidae), including two new species descriptions. Zootaxa<br />

1872: 1–28.<br />

Schlegel, H. & Müller, S. (1839) Overzigt den uit de Sunda en Moluksche zeeën<br />

bekende visschen, van de geslachten Amphiprion, Premnas, Pomacentrus, Glyphisodon,<br />

Dascyllus en Heliases. Verhandelingen over de natuurlijke geschiedenis der Nedertaldsche<br />

overzeesche bezittingen 1839–44: 17–26.<br />

Stevens, J.D. & Lyle, J.M. (1989) Biology of three hammerhead sharks (Eusphyra blochii,<br />

Sphyrna mokarran and S. lewini) from northern Australia. Australian Journal of Marine<br />

and Freshwater Research 40: 129–146.<br />

Taylor, S.M. & Bennett, M.B. (2008) Cephalopod dietary specialization and ontogenetic<br />

partitioning of the Australian weasel shark Hemigaleus australiensis White, Last &<br />

Compagno. Journal of Fish Biology 72: 917–936.<br />

White, W.T. (2007a) Aspects of the biology of carcharhiniform sharks in Indonesian<br />

waters. Journal of the Marine Biological Association of the United Kingdom 87: 1269–1275.<br />

White, W.T. (2007b) Biological observations on lamnoid sharks (Lamniformes) caught<br />

by fisheries in eastern Indonesia. Journal of the Marine Biological Association of the<br />

United Kingdom 87: 781–788.<br />

White, W.T. (2007c) Catch composition and reproductive biology of whaler sharks<br />

(Carcharhiniformes: Carcharhinidae) caught by fisheries in Indonesia. Journal of Fish<br />

Biology 71: 1512–1540.<br />

White, W.T. & Dharmadi (2007) Species and size compositions and reproductive<br />

biology of rays (Chondrichthyes, Batoidea) caught in target and non-target fisheries<br />

in eastern Indonesia. Journal of Fish Biology 70: 1809–1837.<br />

White, W.T. & Dharmadi (2010) Aspects of maturation and reproduction in<br />

hexanchiform and squaliform sharks. Journal of Fish Biology, 76: 1362–1378.<br />

White, W.T. & Last, P.R. (2006) Description of two new species of smooth-hounds,<br />

Mustelus widodoi and M. ravidus (Carcharhiniformes: Triakidae) from the Western<br />

Central Pacific. Cybium 30(3): 235–246.


276 S h a r k s a n d R a y s o f B o r n e o<br />

White, W.T., Bartron, C. & Potter, I.C. (2008) Catch composition and reproductive<br />

biology of Sphyrna lewini (Carcharhiniformes, Sphyrnidae) in Indonesian waters.<br />

Journal of Fish Biology 72: 1675–1689.<br />

White, W.T., Last, P.R. & Stevens, J.D. (2007) Halaelurus maculosus n. sp. and H. sellus n.<br />

sp., two new species of catshark (Carcharhiniformes: Scyliorhinidae) from the Indo-<br />

West Pacific. Zootaxa 1639: 1–21.<br />

White, W.T., Giles, J., Dharmadi & Potter, I.C. (2006a) Data on the bycatch fishery<br />

and reproductive biology of mobulid rays (Myliobatiformes) in Indonesia. Fisheries<br />

Research 82: 65–73.<br />

White, W.T., Last, P.R. & Lim, A.P.K. (2010a) Rediscovery of the rare and endangered<br />

Borneo Shark Carcharhinus borneensis (Bleeker, 1858) (Carcharhiniformes:<br />

Carcharhinidae). In: P.R. Last, W.T. White & J.J. Pogonoski (eds). Descriptions of New<br />

<strong>Sharks</strong> and Rays from Borneo. CSIRO Marine and Atmospheric Research Paper 032.<br />

White, W.T., Last, P.R. & Naylor, G.J.P. (2010b) Scoliodon macrorhynchos (Bleeker, 1852),<br />

a second species of spadenose shark from the Western Pacific (Carcharhiniformes:<br />

Carcharhinidae). In: P.R. Last, W.T. White & J.J. Pogonoski (eds). Descriptions of<br />

New <strong>Sharks</strong> and Rays from Borneo. CSIRO Marine and Atmospheric Research Paper<br />

032.<br />

White, W.T., Last, P.R., Naylor, G.J.P. & Harris, M. (2010c) Resurrection and<br />

redescription of the Borneo Broadfin Shark Lamiopsis tephrodes (Fowler, 1905)<br />

(Carcharhiniformes: Carcharhinidae). In: P.R. Last, W.T. White & J.J. Pogonoski (eds).<br />

Descriptions of New <strong>Sharks</strong> and Rays from Borneo. CSIRO Marine and Atmospheric<br />

Research Paper 032.<br />

White, W.T., Last, P.R., Naylor, G.J.P., Caira, J.N. & Jensen, K. (2010d) Clarification of<br />

Aetobatus ocellatus (Kuhl, 1823) as a valid species, and a comparison with Aetobatus<br />

narinari (Euphrasen, 1790) (Rajiformes: Myliobatidae). In: P.R. Last, W.T. White &<br />

J.J. Pogonoski (eds). Descriptions of New <strong>Sharks</strong> and Rays from Borneo. CSIRO<br />

Marine and Atmospheric Research Paper 032.<br />

White, W.T., Last, P.R., Stevens, J.D., Yearsley, G.K., Fahmi & Dharmadi (2006b)<br />

Economically important sharks and rays of Indonesia. ACIAR Monograph Series, No<br />

124, ACIAR Publishing, Canberra, 329 pp.<br />

Yano, K., Ahmad, A., Gambang, A.C., Idris, A.H., Solahuddin, A.R. & Aznan, Z. (2005)<br />

<strong>Sharks</strong> and rays of Malaysia and Brunei Darussalam. SEAFDEC, MFRDMD, 557 pp.


277<br />

Checklist of Borneo sharks and rays<br />

Order Hexanchiformes: Cow and Frilled <strong>Sharks</strong><br />

Family Hexanchidae: Sixgill and Sevengill <strong>Sharks</strong><br />

Hexanchus griseus (Bonnaterre, 1788) Bluntnose Sixgill Shark<br />

Order Squaliformes: Dogfish <strong>Sharks</strong><br />

Family Squalidae: Dogfishes<br />

Squalus altipinnis Last et al., 2007<br />

Family Centrophoridae: Gulper <strong>Sharks</strong><br />

Centrophorus moluccensis Bleeker, 1860<br />

Order Squatiniformes: Angelsharks<br />

Family Squatinidae: Angelsharks<br />

Squatina tergocellatoides Chen, 1963<br />

Order Heterodontiformes: Hornsharks<br />

Family Heterodontidae: Hornsharks<br />

Heterodontus zebra (Gray, 1831)<br />

Order Orectolobiformes: Carpet <strong>Sharks</strong><br />

Family Orectolobidae: Wobbegongs<br />

Orectolobus leptolineatus Last et al., 2010c<br />

Family Hemiscylliidae: Longtail Carpetsharks<br />

Chiloscyllium hasseltii Bleeker, 1852<br />

Chiloscyllium indicum (Gmelin, 1789)<br />

Chiloscyllium plagiosum (Bennett, 1830)<br />

Chiloscyllium punctatum M. & H., 1838<br />

Family Ginglymostomatidae: Nurse <strong>Sharks</strong><br />

Nebrius ferrugineus (Lesson, 1830)<br />

Family Stegostomatidae: Zebra <strong>Sharks</strong><br />

Stegostoma fasciatum (Hermann, 1783)<br />

Western Highfin Spurdog<br />

Smallfin Gulper Shark<br />

Ocellated Angelshark<br />

Zebra Hornshark<br />

Indonesian Wobbegong<br />

Indonesian Bambooshark<br />

Slender Bambooshark<br />

Whitespotted Bambooshark<br />

Brownbanded Bambooshark<br />

Tawny Nurse Shark<br />

Zebra Shark


278 S h a r k s a n d R a y s o f B o r n e o<br />

Family Rhincodontidae: Whale <strong>Sharks</strong><br />

Rhincodon typus Smith, 1828<br />

Order Lamniformes: Mackerel <strong>Sharks</strong><br />

Family Alopiidae: Thresher <strong>Sharks</strong><br />

Alopias pelagicus Nakamura, 1935<br />

Family Lamnidae: Mackerel <strong>Sharks</strong><br />

Isurus oxyrinchus Rafinesque, 1810<br />

Whale Shark<br />

Pelagic Thresher<br />

Shortfin Mako<br />

Order Carcharhiniformes: Ground <strong>Sharks</strong><br />

Family Scyliorhinidae: Catsharks<br />

Apristurus platyrhynchus (Tanaka, 1909) Bigfin Catshark<br />

Atelo<strong>my</strong>cterus marmoratus (Bennett, 1830) Coral Catshark<br />

Cephaloscyllium sarawakensis Yano et al., 2005 Sarawak Swellshark<br />

Halaelurus maculosus White et al., 2007 Indonesian Speckled Catshark<br />

Family Triakidae: Houndsharks<br />

Mustelus manazo Bleeker, 1854<br />

Starspotted Smoothhound<br />

Mustelus widodoi White & Last, 2006 Whitefin Smoothhound<br />

Family Hemigaleidae: Weasel <strong>Sharks</strong><br />

Chaenogaleus macrostoma (Bleeker, 1852) Hooktooth Shark<br />

Hemigaleus microstoma Bleeker, 1852 Sicklefin Weasel Shark<br />

Hemipristis elongata (Klunzinger, 1871) Fossil Shark<br />

Paragaleus tengi (Chen, 1963)<br />

Straight-tooth Weasel Shark<br />

Family Carcharhinidae: <strong>Whaler</strong> <strong>Sharks</strong><br />

Carcharhinus albimarginatus (Rüppell, 1837) Silvertip Shark<br />

Carcharhinus amblyrhynchoides (Whitley, 1934) Graceful Shark<br />

Carcharhinus amblyrhynchos (Bleeker, 1856) Grey Reef Shark<br />

Carcharhinus borneensis (Bleeker, 1858) Borneo Shark<br />

Carcharhinus brevipinna (M. & H., 1839) Spinner Shark<br />

Carcharhinus dussumieri (M. & H., 1839) Whitecheek Shark<br />

Carcharhinus falciformis (M. & H., 1839) Silky Shark


C h e c k l i s t o f s p e c i e s 279<br />

Carcharhinus leucas (M. & H., 1839)<br />

Carcharhinus limbatus (M. & H., 1839)<br />

Carcharhinus macloti (M. & H., 1839)<br />

Carcharhinus melanopterus (Q. & G., 1824)<br />

Carcharhinus plumbeus (Nardo, 1827)<br />

Carcharhinus sealei (Pietschmann, 1913)<br />

Carcharhinus sorrah (M. & H., 1839)<br />

Galeocerdo cuvier (Péron & Lesueur, 1822)<br />

Glyphis sp.<br />

Glyphis fowlerae Compagno et al., 2010<br />

Lamiopsis tephrodes (Fowler, 1905)<br />

Loxodon macrorhinus M. & H., 1839<br />

Prionace glauca (Linnaeus, 1758)<br />

Rhizoprionodon acutus (Rüppell, 1837)<br />

Rhizoprionodon oligolinx Springer, 1964<br />

Scoliodon macrorhynchos (Bleeker, 1852)<br />

Triaenodon obesus (Rüppell, 1837)<br />

Family Sphyrnidae: Hammerhead <strong>Sharks</strong><br />

Eusphyra blochii (Cuvier, 1816)<br />

Sphyrna lewini (Griffith & Smith, 1834)<br />

Sphyrna mokarran (Rüppell, 1837)<br />

Bull Shark<br />

Common Blacktip Shark<br />

Hardnose Shark<br />

Blacktip Reef Shark<br />

Sandbar Shark<br />

Blackspot Shark<br />

Spot-tail Shark<br />

Tiger shark<br />

Mukah River Shark<br />

Borneo River Shark<br />

Borneo Broadfin Shark<br />

Sliteye Shark<br />

Blue Shark<br />

Milk Shark<br />

Grey Sharpnose Shark<br />

Pacific Spadenose Shark<br />

Whitetip Reef Shark<br />

Winghead Shark<br />

Scalloped Hammerhead<br />

Great Hammerhead<br />

Order Rajiformes: Rays (Batoids)<br />

Suborder Pristoidei: Sawfishes<br />

Family Pristidae: Sawfishes<br />

Anoxypristis cuspidata (Latham, 1794)<br />

Pristis microdon Latham, 1794<br />

Pristis zijsron Bleeker, 1851<br />

Narrow Sawfish<br />

Freshwater Sawfish<br />

Green Sawfish


280 S h a r k s a n d R a y s o f B o r n e o<br />

Suborder Rhinoidei: Shark Rays<br />

Family Rhinidae: Shark Rays<br />

Rhina ancylostoma Bl. & Sch., 1801<br />

Suborder Rhynchobatoidei: Wedgefishes<br />

Family Rhynchobatidae: Wedgefishes<br />

Rhynchobatus australiae Whitley, 1939<br />

Rhynchobatus laevis (Bl. & Sch., 1801)<br />

Rhynchobatus springeri Comp. & Last, 2010<br />

Suborder Rhinobatoidei: Shovelnose Rays<br />

Family Rhinobatidae: Shovelnose Rays<br />

Glaucostegus thouin (Anonymous, 1798)<br />

Glaucostegus typus (Bennett, 1830)<br />

Rhinobatos formosensis Norman, 1926<br />

Suborder Torpedinoidei: Electric Rays<br />

Family Narcinidae: Numbfishes<br />

Narcine brevilabiata Bessednov, 1966<br />

Narcine lingula Richardson, 1846<br />

Narcine maculata (Shaw, 1804)<br />

Family Narkidae: Sleeper Rays<br />

Narke dipterygia (Bl. & Sch., 1801)<br />

Temera hardwickii Gray, 1831<br />

Suborder Rajoidei: Skates<br />

Family Rajidae: Skates<br />

Dipturus kwangtungensis (Chu 1960)<br />

Okamejei cairae Last et al., 2010a<br />

Okamejei hollandi (Jordan & Rich., 1909)<br />

Okamejei jensenae Last & Lim, 2010<br />

Shark Ray<br />

Whitespotted Wedgefish<br />

Smoothnose Wedgefish<br />

Broadnose Wedgefish<br />

Clubnose Guitarfish<br />

Giant Guitarfish<br />

Taiwan Guitarfish<br />

Shortlip Numbfish<br />

Rough Numbfish<br />

Darkspotted Numbfish<br />

Spot-tail Sleeper Ray<br />

Finless Sleeper Ray<br />

Kwangtung Skate<br />

Borneo Sand Skate<br />

Yellowspotted Skate<br />

Philippine Ocellate Skate


C h e c k l i s t o f s p e c i e s 281<br />

Family Anacanthobatidae: Leg Skates<br />

Sinobatis borneensis (Chan, 1965)<br />

Borneo Leg Skate<br />

Suborder Myliobatoidei: Stingrays<br />

Family Plesiobatidae: Giant Stingarees<br />

Plesiobatis daviesi (Wallace, 1967)<br />

Giant Stingaree<br />

Family Dasyatidae: Stingrays<br />

Dasyatis microps (Annandale, 1908) Smalleye Stingray<br />

Dasyatis parvonigra Last & White, 2008 Dwarf Black Stingray<br />

Dasyatis ushiei (Jordan & Hubbs, 1925) Cow Stingray<br />

Dasyatis zugei (M. & H., 1841)<br />

Sharpnose Stingray<br />

Himantura fai Jordan & Seale, 1906 Pink Whipray<br />

Himantura gerrardi (Gray, 1851)<br />

Whitespotted Whipray<br />

Himantura cf gerrardi *<br />

Borneo Whitespotted Whipray<br />

Himantura granulata (Macleay, 1883) Mangrove Whipray<br />

Himantura jenkinsii (Annandale, 1909) Jenkins’ Whipray<br />

Himantura kittipongi Vidth. & Rob., 2005 Roughback Whipray<br />

Himantura leoparda Manjaji-M. & Last, 2008 Leopard Whipray<br />

Himantura lobistoma Manjaji-M. & Last, 2006 Tubemouth Whipray<br />

Himantura oxyrhyncha (Sauvage, 1878) Longnose Marbled Whipray<br />

Himantura pastinacoides (Bleeker, 1852) Round Whipray<br />

Himantura polylepis (Bleeker, 1852) Giant Freshwater Whipray<br />

Himantura signifer Compagno & Rob., 1982 White-edge Freshwater Whipray<br />

Himantura uarnacoides (Bleeker, 1852) Bleeker’s Whipray<br />

Himantura uarnak (Forsskål, 1775) Reticulate Whipray<br />

Himantura cf uarnak *<br />

Finespot Whipray<br />

Himantura undulata (Bleeker, 1852) Honeycomb Whipray<br />

Himantura walga (M. & H., 1841) Dwarf Whipray<br />

Neotrygon kuhlii (M. & H. 1841)<br />

Bluespotted Maskray<br />

Pastinachus atrus (Macleay, 1883)<br />

Eastern Cowtail Stingray


282 S h a r k s a n d R a y s o f B o r n e o<br />

Pastinachus gracilicaudus Last & M.-M., 2010<br />

Pastinachus solocirostris Last et al., 2005<br />

Pastinachus stellurostris Last et al., 2010b<br />

Pteroplatytrygon violacea (Bonaparte, 1832)<br />

Taeniura lymma (Forsskål, 1775)<br />

Taeniurops meyeni (M. & H., 1841)<br />

Urogymnus asperrimus (Bl. & Sch., 1801)<br />

Family Gymnuridae: Butterfly Rays<br />

Gymnura poecilura (Shaw, 1804)<br />

Gymnura zonura (Bleeker, 1852)<br />

Family Myliobatidae: Eagle Rays<br />

Aetobatus flagellum (Bl. & Sch., 1801)<br />

Aetobatus ocellatus (Kuhl, 1823)<br />

Aeto<strong>my</strong>laeus maculatus (Gray, 1834)<br />

Aeto<strong>my</strong>laeus nichofii (Bl. & Sch., 1801)<br />

Aeto<strong>my</strong>laeus vespertilio (Bleeker, 1852)<br />

Family Rhinopteridae: Cownose Rays<br />

Rhinoptera javanica M. & H., 1841<br />

Rhinoptera jayakari Boulenger, 1895<br />

Family Mobulidae: Devilrays<br />

Manta birostris (Walbaum, 1792)<br />

Mobula sp.<br />

Mobula japanica (M. & H., 1841)<br />

Mobula kuhlii (M. & H., 1841)<br />

Mobula thurstoni (Lloyd, 1908)<br />

Narrowtail Stingray<br />

Roughnose Stingray<br />

Starynose Stingray<br />

Pelagic Stingray<br />

Bluespotted Fantail Ray<br />

Blotched Fantail Stingray<br />

Porcupine Ray<br />

Longtail Butterfly Ray<br />

Zonetail Butterfly Ray<br />

Longhead Eagle Ray<br />

Whitespotted Eagle Ray<br />

Mottled Eagle Ray<br />

Banded Eagle Ray<br />

Ornate Eagle Ray<br />

Javanese Cownose Ray<br />

Short-tail Cownose Ray<br />

Manta Ray<br />

Borneo Devilray<br />

Japanese Devilray<br />

Lesser Devilray<br />

Bentfin Devilray<br />

Order Chimaeriformes: Chimaeras<br />

Family Chimaeridae: Shortnose Chimaeras<br />

Chimaera phantasma Jordan & Snyder, 1900 Silver Chimaera<br />

* denotes species for which full treatments are not provided in the guide.


283<br />

Scientific names index<br />

A<br />

acutus, Rhizoprionodon 126<br />

Aetobatus flagellum 242<br />

Aetobatus ocellatus 244<br />

Aeto<strong>my</strong>laeus maculatus 246<br />

Aeto<strong>my</strong>laeus nichofii 248<br />

Aeto<strong>my</strong>laeus vespertilio 250<br />

albimarginatus, Carcharhinus 86<br />

Alopias pelagicus 62<br />

Alopiidae 29, 62–63<br />

altipinnis, Squalus 38<br />

amblyrhynchoides, Carcharhinus 88<br />

amblyrhynchos, Carcharhinus 90<br />

Anacanthobatidae 25, 178–179<br />

ancylostoma, Rhina 146<br />

Anoxypristis cuspidata 140<br />

Apristurus platyrhynchus 66<br />

asperrimus, Urogymnus 236<br />

Atelo<strong>my</strong>cterus marmoratus 68<br />

atrus, Pastinachus 222<br />

australiae, Rhynchobatus 148<br />

B<br />

birostris, Manta 256<br />

blochii, Eusphyra 134<br />

borneensis, Carcharhinus 92<br />

borneensis, Sinobatis 178<br />

brevilabiata, Narcine 160<br />

brevipinna, Carcharhinus 94<br />

C<br />

cairae, Okamejei 172<br />

Carcharhinidae 33, 86–133<br />

Carcharhiniformes 66–139<br />

Carcharhinus albimarginatus 86<br />

Carcharhinus amblyrhynchoides 88<br />

Carcharhinus amblyrhynchos 90<br />

Carcharhinus borneensis 92<br />

Carcharhinus brevipinna 94<br />

Carcharhinus dussumieri 96<br />

Carcharhinus falciformis 98<br />

Carcharhinus leucas 100<br />

Carcharhinus limbatus 102<br />

Carcharhinus macloti 104<br />

Carcharhinus melanopterus 106<br />

Carcharhinus plumbeus 108<br />

Carcharhinus sealei 110<br />

Carcharhinus sorrah 112<br />

Centrophoridae 29, 40–41<br />

Centrophorus moluccensis 40<br />

Cephaloscyllium sarawakensis 70<br />

Chaenogaleus macrostoma 78<br />

Chiloscyllium hasseltii 48<br />

Chiloscyllium indicum 50<br />

Chiloscyllium plagiosum 52<br />

Chiloscyllium punctatum 54<br />

Chimaera phantasma 266<br />

Chimaeridae 23, 266–267<br />

Chimaeriformes 266–267<br />

cuspidata, Anoxypristis 140<br />

cuvier, Galeocerdo 114<br />

D<br />

Dasyatidae 26, 182–237<br />

Dasyatis microps 182<br />

Dasyatis parvonigra 184<br />

Dasyatis ushiei 186<br />

Dasyatis zugei 188<br />

daviesi, Plesiobatis 180<br />

dipterygia, Narke 166<br />

Dipturus kwangtungensis 170<br />

dussumieri, Carcharhinus 96<br />

E<br />

elongata, Hemipristis 82


284 S h a r k s a n d R a y s o f B o r n e o<br />

Eusphyra blochii 134<br />

F<br />

fai, Himantura 190<br />

falciformis, Carcharhinus 98<br />

fasciatum, Stegostoma 58<br />

ferrugineus, Nebrius 56<br />

flagellum, Aetobatus 242<br />

formosensis, Rhinobatos 158<br />

fowlerae, Glyphis 118<br />

G<br />

Galeocerdo cuvier 114<br />

gerrardi, Himantura 192<br />

Ginglymostomatidae 30, 56–57<br />

glauca, Prionace 124<br />

Glaucostegus thouin 154<br />

Glaucostegus typus 156<br />

Glyphis fowlerae 118<br />

Glyphis sp. 116<br />

gracilicaudus, Pastinachus 224<br />

granulata, Himantura 194<br />

griseus, Hexanchus 36<br />

Gymnura poecilura 238<br />

Gymnura zonura 240<br />

Gymnuridae 26, 238–241<br />

H<br />

Halaelurus maculosus 72<br />

hardwickii, Temera 168<br />

hasseltii, Chiloscyllium 48<br />

Hemigaleidae 32, 78–85<br />

Hemigaleus microstoma 80<br />

Hemipristis elongata 82<br />

Hemiscylliidae 31, 48-55<br />

Heterodontidae 30, 44–45<br />

Heterodontiformes 44–45<br />

Heterodontus zebra 44<br />

Hexanchidae 28, 36–37<br />

Hexanchiformes 36–37<br />

Hexanchus griseus 36<br />

Himantura fai 190<br />

Himantura gerrardi 192<br />

Himantura granulata 194<br />

Himantura jenkinsii 196<br />

Himantura kittipongi 198<br />

Himantura leoparda 200<br />

Himantura lobistoma 202<br />

Himantura oxyrhyncha 204<br />

Himantura pastinacoides 206<br />

Himantura polylepis 208<br />

Himantura signifer 210<br />

Himantura uarnacoides 212<br />

Himantura uarnak 214<br />

Himantura undulata 216<br />

Himantura walga 218<br />

hollandi, Okamejei 174<br />

I<br />

indicum, Chiloscyllium 50<br />

Isurus oxyrinchus 64<br />

J<br />

japanica, Mobula 260<br />

javanica, Rhinoptera 252<br />

jayakari, Rhinoptera 254<br />

jenkinsii, Himantura 196<br />

jensenae, Okamejei 176<br />

K<br />

kittipongi, Himantura 198<br />

kuhlii, Mobula 262<br />

kuhlii, Neotrygon 220<br />

kwangtungensis, Dipturus 170<br />

L<br />

laevis, Rhynchobatus 150<br />

Lamiopsis tephrodes 120<br />

Lamnidae 31, 64–65<br />

Lamniformes 62–63


RS cu ine nitn i g f i c h en adm e s i n d e x 285<br />

leoparda, Himantura 200<br />

leptolineatus, Orectolobus 46<br />

leucas, Carcharhinus 100<br />

lewini, Sphyrna 136<br />

limbatus, Carcharhinus 102<br />

lingula, Narcine 162<br />

lobistoma, Himantura 202<br />

Loxodon macrorhinus 122<br />

lymma, Taeniura 232<br />

M<br />

macloti, Carcharhinus 104<br />

macrorhinus, Loxodon 122<br />

macrorhynchos, Scoliodon 130<br />

macrostoma, Chaenogaleus 78<br />

maculata, Narcine 164<br />

maculatus, Aeto<strong>my</strong>laeus 246<br />

maculosus, Halaelurus 72<br />

manazo, Mustelus 74<br />

Manta birostris 256<br />

marmoratus, Atelo<strong>my</strong>cterus 68<br />

melanopterus, Carcharhinus 106<br />

meyeni, Taeniurops 234<br />

microps, Dasyatis 182<br />

microstoma, Hemigaleus 80<br />

Mobula japanica 260<br />

Mobula kuhlii 262<br />

Mobula sp. 258<br />

Mobula thurstoni 264<br />

Mobulidae 27, 256–265<br />

mokarran, Sphyrna 138<br />

moluccensis, Centrophorus 40<br />

Mustelus manazo 74<br />

Mustelus widodoi 76<br />

Myliobatidae 28, 242–251<br />

Myliobatoidei 180–265<br />

N<br />

Narcine brevilabiata 160<br />

Narcine lingula 162<br />

Narcine maculata 164<br />

Narcinidae 25, 160–165<br />

Narke dipterygia 166<br />

Narkidae 25, 166–169<br />

Nebrius ferrugineus 56<br />

Neotrygon kuhlii 220<br />

nichofii, Aeto<strong>my</strong>laeus 248<br />

O<br />

obesus, Triaenodon 132<br />

ocellatus, Aetobatus 244<br />

Okamejei cairae 172<br />

Okamejei hollandi 174<br />

Okamejei jensenae 176<br />

oligolinx, Rhizoprionodon 128<br />

Orectolobidae 30, 46–47<br />

Orectolobiformes 46–61<br />

Orectolobus leptolineatus 46<br />

oxyrhyncha, Himantura 204<br />

oxyrinchus, Isurus 64<br />

P<br />

Paragaleus tengi 84<br />

parvonigra, Dasyatis 184<br />

Pastinachus atrus 222<br />

Pastinachus gracilicaudus 224<br />

Pastinachus solocirostris 226<br />

Pastinachus stellurostris 228<br />

pastinacoides, Himantura 206<br />

pelagicus, Alopias 62<br />

phantasma, Chimaera 266<br />

plagiosum, Chiloscyllium 52<br />

platyrhynchus, Apristurus 66<br />

Plesiobatidae 26, 180–181<br />

Plesiobatis daviesi 180<br />

plumbeus, Carcharhinus 108<br />

poecilura, Gymnura 238<br />

polylepis, Himantura 208<br />

Prionace glauca 124<br />

Pristidae 23, 140–145


286 S h a r k s a n d R a y s o f B o r n e o<br />

Pristis microdon 142<br />

Pristis zijsron 144<br />

Pristoidei 140–145<br />

Pteroplatytrygon violacea 230<br />

punctatum, Chiloscyllium 54<br />

R<br />

Rajidae 25, 172–179<br />

Rajoidei 172–179<br />

Rhina ancylostoma 146<br />

Rhincodontidae 30, 60–61<br />

Rhincodon typus 60<br />

Rhinidae 24, 146–147<br />

Rhinobatidae 24, 154–159<br />

Rhinobatoidei 154–159<br />

Rhinobatos formosensis 158<br />

Rhinoidei 146–147<br />

Rhinoptera javanica 252<br />

Rhinoptera jayakari 254<br />

Rhinopteridae 28, 252–255<br />

Rhizoprionodon acutus 126<br />

Rhizoprionodon oligolinx 128<br />

Rhynchobatidae 24, 148–153<br />

Rhynchobatoidei 147<br />

Rhynchobatus australiae 148<br />

Rhynchobatus laevis 150<br />

Rhynchobatus springeri 152<br />

S<br />

sarawakensis, Cephaloscyllium 70<br />

Scoliodon macrorhynchos 130<br />

Scyliorhinidae 31, 66–73<br />

sealei, Carcharhinus 110<br />

signifer, Himantura 210<br />

Sinobatis borneensis 178<br />

solocirostris, Pastinachus 226<br />

sorrah, Carcharhinus 112<br />

sp., Glyphis 116<br />

sp., Mobula 258<br />

Sphyrna lewini 136<br />

Sphyrna mokarran 138<br />

Sphyrnidae 29, 134–139<br />

springeri, Rhynchobatus 152<br />

Squalidae 29, 38–39<br />

Squaliformes 38–41<br />

Squalus altipinnis 38<br />

Squatina tergocellatoides 42<br />

Squatinidae 23, 42–43<br />

Squatiniformes 42–43<br />

Stegostoma fasciatum 58<br />

Stegostomatidae 30, 58–59<br />

stellurostris, Pastinachus 228<br />

T<br />

Taeniura lymma 232<br />

Taeniurops meyeni 234<br />

Temera hardwickii 168<br />

tengi, Paragaleus 84<br />

tephrodes, Lamiopsis 120<br />

tergocellatoides, Squatina 42<br />

thouin, Glaucostegus 154<br />

thurstoni, Mobula 264<br />

Torpedinoidei 160–169<br />

Triaenodon obesus 132<br />

Triakidae 32, 74–77<br />

typus, Glaucostegus 156<br />

typus, Rhincodon 60<br />

U<br />

uarnacoides, Himantura 212<br />

uarnak, Himantura 214<br />

undulata, Himantura 216<br />

Urogymnus asperrimus 236<br />

ushiei, Dasyatis 186<br />

V<br />

vespertilio, Aeto<strong>my</strong>laeus 250<br />

violacea, Pteroplatytrygon 230<br />

W<br />

walga, Himantura 218


S c i e n t i f i c n a m e s i n d e x 287<br />

widodoi, Mustelus 76<br />

Z<br />

zebra, Heterodontus 44<br />

zonura, Gymnura 240<br />

zugei, Dasyatis 188


288 S h a r k s a n d R a y s o f B o r n e o<br />

English common names index<br />

A<br />

Angelsharks 42–43<br />

B<br />

Banana-tail Ray 222<br />

Banded Eagle Ray 248<br />

Banded Whiptail Ray 192<br />

Barbless Eagle Ray 248<br />

Bentfin Devilray 264<br />

Bigfin Catshark 66<br />

Blackblotched Stingray 234<br />

Blackspot Shark 110<br />

Blackspotted Stingray 234<br />

Blacktip Reef Shark 106<br />

Blacktip Shark 106<br />

Blacktip <strong>Whaler</strong> 102<br />

Bleeker’s Butterfly Ray 240<br />

Bleeker’s Variegate Ray 216<br />

Bleeker’s Whipray 212<br />

Blotched Fantail Stingray 234<br />

Blue-spotted Lagoon Ray 232<br />

Blue-spotted Ribbontail Ray 232<br />

Blue Pointer 64<br />

Blue Shark 124<br />

Bluespotted Fantail Ray 232<br />

Bluespotted Maskray 220<br />

Bluespotted Stingaree 220<br />

Bluespotted Stingray 220<br />

Blue Stingray 230<br />

Blue <strong>Whaler</strong> 124<br />

Blunthead Shark 132<br />

Bluntnose Sixgill Shark 36<br />

Bluntnose Whiptail Ray 192<br />

Bonnet Skate 244<br />

Borneo Broadfin Shark 120<br />

Borneo Devilray 258<br />

Borneo Leg Skate 178<br />

Borneo River Shark 118<br />

Borneo Sand Skate 172<br />

Borneo Shark 92<br />

Bowmouth Guitarfish 146<br />

Broadnose Wedgefish 152<br />

Brownbanded Bambooshark 54<br />

Brownbanded Catshark 54<br />

Brown Shark 108<br />

Bullhead Shark 44<br />

Bull Ray 222, 234<br />

Bull Shark 36, 100<br />

Butterfly Rays 238–241<br />

C<br />

Catsharks 66–73<br />

Chinese Numbfish 162<br />

Clubnose Guitarfish 154<br />

Coachwhip Ray 194, 214<br />

Common Blacktip Shark 102<br />

Common Shovelnose Ray 156<br />

Coral Catshark 68<br />

Cownose Rays 252–255<br />

Cow Ray 252<br />

Cow Shark 36<br />

Cowsharks 36–37<br />

Cow Stingray 186<br />

D<br />

Darkfin Numbfish 164<br />

Darkspotted Electric Ray 164<br />

Darkspotted Numbfish 164<br />

Deepwater Stingray 180<br />

Devilfish 256<br />

Devilrays 256–265<br />

Dogfishes 38–39<br />

Duckbill Ray 244


E n g l i s h c o m m o n n a m e s i n d e x 289<br />

Dwarf Black Stingray 184<br />

Dwarf Whipray 218<br />

E<br />

Eagle Rays 242–251<br />

Eastern Cowtail Stingray 222<br />

Endeavour Dogfish 40<br />

F<br />

Fantail Ray 222<br />

Fantail Stingray 234<br />

Feathertail Ray 222<br />

Feathertail Stingray 222<br />

Finless Electric Ray 168<br />

Finless Sleeper Ray 168<br />

Fish Shark 126<br />

Flapnose Ray 252<br />

Fossil Shark 82<br />

Freshwater Sawfish 142<br />

Freshwater Stingray 210<br />

Freshwater <strong>Whaler</strong> 100<br />

Freshwater Whipray 208<br />

G<br />

Ghost Shark 266<br />

Giant Freshwater Stingray 208<br />

Giant Freshwater Whipray 208<br />

Giant Guitarfish 150, 156<br />

Giant Manta 256<br />

Giant Reef Ray 234<br />

Giant Shovelnose Ray 156<br />

Giant Stingaree 180<br />

Giant Stingarees 180–181<br />

Graceful Shark 88<br />

Great-tooth Sawfish 142<br />

Great Blue Shark 124<br />

Great Hammerhead 138<br />

Green Sawfish 144<br />

Grey Carpetshark 54<br />

Grey Reef Shark 90<br />

Grey Sharpnose Shark 128<br />

Guliman 106<br />

Gulper <strong>Sharks</strong> 40–41<br />

Gum<strong>my</strong> Shark 74<br />

H<br />

Hammerhead <strong>Sharks</strong> 134–139<br />

Hardnose Shark 104<br />

Hasselt’s Bambooshark 48<br />

Holland Skate 174<br />

Honeycomb Whipray 216<br />

Hooktooth Shark 78<br />

Hornsharks 44–45<br />

Houndsharks 74–77<br />

I<br />

Indonesian Bambooshark 48<br />

Indonesian Speckled Catshark 72<br />

Indonesian Wobbegong 46<br />

Indo Wobbegong 46<br />

Inkytail Shark 94<br />

J<br />

Japanese Devilray 260<br />

Japanese Smoothhound 74<br />

Javanese Cownose Ray 252<br />

Jenkins’ Whipray 196<br />

Jordan’s Blue Dogshark 122<br />

K<br />

Kidney-headed Shark 136<br />

Kuhl’s Stingray 220<br />

Kwangtung Skate 170<br />

L<br />

Lagoon Ray 232<br />

Leg Skates 178–179<br />

Leopard Shark 58<br />

Leopard Stingray 214<br />

Leopard Whipray 200<br />

Lesser Devilray 262


290 S h a r k s a n d R a y s o f B o r n e o<br />

Lesser Fantail Ray 232<br />

Long-tailed Butterfly Ray 238<br />

Longhead Eagle Ray 242<br />

Longman’s Dogshark 126<br />

Longnose Blacktail Shark 90<br />

Longnose Grey <strong>Whaler</strong> 94<br />

Longnose Marbled Whipray 204<br />

Longtail Butterfly Ray 238<br />

Longtail Carpetsharks 48–55<br />

Longtail Ray 214<br />

M<br />

Mackerel Shark 64<br />

Mackerel <strong>Sharks</strong> 64–65<br />

Macleay’s Coachwhip Ray 194<br />

Madame X 56<br />

Mako Shark 64<br />

Mangrove Ray 194<br />

Mangrove Stingray 194<br />

Mangrove Whipray 194<br />

Manta 256<br />

Manta Ray 256<br />

Marbled Freshwater Stingray 204<br />

Marbled Whipray 204<br />

Marble Ribbontail Ray 234<br />

Milk Shark 126<br />

Mottled Eagle Ray 246<br />

Mud Shark 36<br />

Mud Skate 146<br />

Mukah River Shark 116<br />

N<br />

Narrow Sawfish 140<br />

Narrowsnout Sawfish 144<br />

Narrowtail Stingray 224<br />

Nieuhof ’s Eagle Ray 248<br />

Numbfishes 160–165<br />

Numbray 166<br />

Nurse <strong>Sharks</strong> 56–57<br />

O<br />

Ocellated Angelshark 42<br />

Ocellate Eagle Ray 246<br />

Ocellate Whipray 216<br />

Ornate Eagle Ray 246, 250<br />

P<br />

Pacific Spadenose Shark 130<br />

Pale-edged Stingray 188<br />

Pale Whipray 210<br />

Pelagic Stingray 230<br />

Pelagic Thresher 62<br />

Philippine Ocellate Skate 176<br />

Pink Whipray 190<br />

Pointed Sawfish 140<br />

Porcupine Ray 236<br />

Q<br />

Queensland Shark 88<br />

R<br />

Reef Ray 232<br />

Reticulate Eagle Ray 250<br />

Reticulate Whipray 214<br />

Ribbontail Stingray 232<br />

Ridgeback Bambooshark 50<br />

Ridgeback Shark 50<br />

River <strong>Whaler</strong> 100<br />

Rough-back Stingray 196<br />

Roughback Whipray 198<br />

Rough Electric Ray 162<br />

Roughnose Stingray 226<br />

Rough Numbfish 162<br />

Roughskin Stingaree 236<br />

Round Ribbontail Ray 234<br />

Round Whipray 206<br />

S<br />

Sandbar Shark 108<br />

Sandshark 150


E n g l i s h c o m m o n n a m e s i n d e x 291<br />

Sarawak Pyg<strong>my</strong> Swell Shark 70<br />

Sarawak Pyg<strong>my</strong> Swellshark 70<br />

Sarawak Swellshark 70<br />

Sawfish 144<br />

Sawfishes 140–145<br />

Scalloped Hammerhead 136<br />

School Shark 112<br />

Shark Ray 146<br />

Shark Rays 146–147<br />

Sharpnose Stingray 188, 192<br />

Short-tail Cownose Ray 254<br />

Shortfin Devilray 262<br />

Shortfin Mako 64<br />

Shorthorn Devilray 262<br />

Shortlip Electric Ray 160<br />

Shortlip Numbfish 160<br />

Shortnose Chimaeras 266–267<br />

Shovelnose Ray 156<br />

Shovelnose Rays 154–159<br />

Shovelnose Shark 150, 152, 156<br />

Sicklefin Weasel Shark 80<br />

Silky Shark 98<br />

Silver Chimaera 266<br />

Silvertip Shark 86<br />

Sixgill Shark 36<br />

Skates 170–177<br />

Sleeper Rays 166–169<br />

Sleepy Shark 56<br />

Slender Bambooshark 50<br />

Slender Dogshark 122<br />

Slender Hammerhead 134<br />

Sliteye Shark 122<br />

Smalleye Stingray 182<br />

Smallfin Gulper Shark 40<br />

Smoothfang Shark 94<br />

Smoothnose Wedgefish 150<br />

Smoothtail Mobula 264<br />

Snaggletooth Shark 82<br />

Snapper Shark 64<br />

Solander’s Ray 236<br />

Sorrah Shark 112<br />

Spatulasnout Catshark 66<br />

Speckle Stingray 234<br />

Spinetail Devilray 260<br />

Spinetail Mobula 260<br />

Spinner Shark 94<br />

Spitting Shark 56<br />

Spot-tail Electric Ray 166<br />

Spot-tail Shark 112<br />

Spot-tail Sleeper Ray 166<br />

Spotted Catshark 54<br />

Spotted Eagle Ray 244<br />

Starspotted Smoothhound 74<br />

Starynose Stingray 228<br />

Stingrays 182–237<br />

Straight-tooth Weasel Shark 84<br />

T<br />

Taiwan Guitarfish 158<br />

Tawny Nurse Shark 56<br />

Tawny Shark 56<br />

Thickskin Shark 108<br />

Thickspine Giant Stingray 182<br />

Thornback Ray 174<br />

Thorny Ray 236<br />

Thresher <strong>Sharks</strong> 62–63<br />

Tiger Shark 114<br />

Tubemouth Whipray 202<br />

U<br />

Undulate Whipray 200<br />

V<br />

Violet Stingray 230<br />

W<br />

Weasel Shark 80<br />

Weasel <strong>Sharks</strong> 78–85<br />

Wedgefishes 148–153


292 S h a r k s a n d R a y s o f B o r n e o<br />

Western Highfin Spurdog 38<br />

<strong>Whaler</strong> <strong>Sharks</strong> 88–133<br />

Whale Shark 60<br />

Whale <strong>Sharks</strong> 60–61<br />

White-edge Freshwater Whipray 210<br />

White-eye Shark 126<br />

White-rim Stingray 210<br />

Whitecheek Shark 96<br />

Whitefin Smoothhound 76<br />

Whitenose Whipray 212<br />

Whitespot Ray 148<br />

Whitespot Shovelnose Ray 148<br />

Whitespotted Bambooshark 52<br />

Whitespotted Eagle Ray 244<br />

Whitespotted Guitarfish 148<br />

Whitespotted Wedgefish 148<br />

Whitespotted Whipray 192<br />

Whitetail Stingray 194<br />

Whitetail Whipray 194<br />

Whitetip Reef Shark 132<br />

Whitetip Shark 132<br />

Widemouth Blackspot Shark 96<br />

Wide Sawfish 142<br />

Winghead Shark 134<br />

Wobbegongs 46–47<br />

Y<br />

Yellow-spotted Skate 176<br />

Yellowspotted Skate 174<br />

Z<br />

Zebra Bullhead Shark 44<br />

Zebra Hornshark 44<br />

Zebra Port Jackson Shark 44<br />

Zebra Shark 58<br />

Zebra <strong>Sharks</strong> 58–59<br />

Zonetail Butterfly Ray 240


293<br />

Indonesian common names index<br />

C<br />

Cawang Genul 260<br />

Cawang Kalung 256<br />

Cucut Bekeman 100<br />

Cucut Botol 40<br />

Cucut Dolok 50, 52<br />

Cucut Gergaji 140<br />

Cucut Lanjaman 86, 88, 90, 94, 96, 98,<br />

102, 108, 110, 112<br />

Cucut Londer 74, 76<br />

Cucut Mandrong 154<br />

Cucut Meong 36<br />

Cucut Pedang 62<br />

Cucut Selendang 124<br />

Cucut Tokek 68<br />

H<br />

Hiu 44, 92, 148<br />

Hiu Aer 124<br />

Hiu Air 74, 76<br />

Hiu Anjing 64<br />

Hiu Aron 104<br />

Hiu Barong 146<br />

Hiu Batu 54<br />

Hiu Belimbing 58<br />

Hiu Bingkoh 134, 136, 138<br />

Hiu Bisu 56<br />

Hiu Bokem 132<br />

Hiu Bongo 52, 54<br />

Hiu Botol Danten 40<br />

Hiu Buas 100<br />

Hiu Bujit 88, 90, 94, 96, 98, 100,<br />

102, 106, 112, 120<br />

Hiu Capil 134, 136, 138<br />

Hiu Caping 134, 136, 138<br />

Hiu Cermin 156<br />

Hiu Coklat 132<br />

Hiu Gedebong 56<br />

Hiu Gedok 54, 56<br />

Hiu Gergaji 142, 144<br />

Hiu Hantu 266<br />

Hiu Jenggot 46<br />

Hiu Kacang 74, 76, 78, 80, 84<br />

Hiu Kakap 64<br />

Hiu Karang Buas 132<br />

Hiu Karet 124<br />

Hiu Kejen 102, 122, 130<br />

Hiu Kemenyan 148, 150, 152<br />

Hiu Kodok 42, 46<br />

Hiu Lalaek 124<br />

Hiu Lanyam 86, 98, 102<br />

Hiu Lepang 46<br />

Hiu Lonjor 90, 98<br />

Hiu Lontar 148, 150, 152<br />

Hiu Macan 114<br />

Hiu Mada 106<br />

Hiu Mako 64<br />

Hiu Martil 134, 136, 138<br />

Hiu Minsong 150, 152<br />

Hiu Monas 82<br />

Hiu Monyet 62<br />

Hiu Omas 114<br />

Hiu Parang 136, 138, 140, 142, 144<br />

Hiu Pasir 84<br />

Hiu Paus 60<br />

Hiu Pilus 78, 80, 126, 128<br />

Hiu Pisang 126, 128<br />

Hiu Plen 86, 94, 126<br />

Hiu Pogak 266<br />

Hiu Senget 40<br />

Hiu Sonteng 86<br />

Hiu Tahu Putih 36<br />

Hiu Taji 40<br />

Hiu Tekek 48, 50, 52, 54


294 S h a r k s a n d R a y s o f B o r n e o<br />

Hiu Tenggiri 64<br />

Hiu Teteri 108<br />

Hiu Tikus 62<br />

Hiu Tokek 68, 72<br />

I<br />

Ikan Pari 184, 232<br />

K<br />

Kluyu Blimbingan 58<br />

Kluyu Karang 106<br />

Kupu-kupu Brangkas 146<br />

L<br />

Lampengan 260<br />

Lanyam 112<br />

Liongbun 148, 150, 152, 154<br />

M<br />

Merak Bulu 90, 94, 102, 112<br />

Minsong 148<br />

Mungsing 98, 112, 126, 130<br />

Mungsing Jara 114<br />

P<br />

Paitpait 156<br />

Pamprang 140<br />

Pangrum 148, 150, 152<br />

Parangpang 140<br />

Paredung 148, 150, 152<br />

Pari 172, 180, 204, 208<br />

Pari Aer 196, 206<br />

Pari Ayam 244<br />

Pari Babi 182, 234<br />

Pari Bandrong 156<br />

Pari Batu 192<br />

Pari Bendera 222, 224, 226, 228<br />

Pari Biasa 188<br />

Pari Bintang 192<br />

Pari Blentik 220<br />

Pari Boro 186<br />

Pari Burung 242, 244, 246, 248, 250, 252<br />

Pari Duren 236<br />

Pari Duri 196<br />

Pari Elang 252, 254<br />

Pari Gitar 156<br />

Pari Gunung 226<br />

Pari Jantung 186<br />

Pari Kekeh 156<br />

Pari Kelelawar 238, 240<br />

Pari Kembang 232<br />

Pari Kerbua 256<br />

Pari Kikir 196, 218<br />

Pari Kodok 220<br />

Pari Kontak 160, 162, 164, 166, 168<br />

Pari Lambingan 260, 262, 264<br />

Pari Lampengan 262<br />

Pari Lampin 230<br />

Pari Lemer 230<br />

Pari Lempengan 264<br />

Pari Listrik 160, 162, 164, 166, 168<br />

Pari Lowo 238, 240<br />

Pari Lumpur 202, 212<br />

Pari Luncur 172, 174<br />

Pari Macan 200, 214, 216<br />

Pari Merica 214, 234<br />

Pari Minyak 190<br />

Pari Pasir 206<br />

Pari Payung 240<br />

Pari Sapi 182, 194<br />

Pari Sungai 198, 210<br />

Pari Super 192<br />

Pari Tanjung 202, 212<br />

Pari Tembaga 190<br />

Pari Totol 232<br />

Payubek 230<br />

Pe Lamping 248<br />

Pe Pasung 212<br />

Petong 148, 150, 152, 156


I n d o n e s i a n c o m m o n n a m e s i n d e x 295<br />

Plampangan 256, 260, 264<br />

T<br />

Tikusan 62<br />

Toka-toka 188<br />

Toka Toka 218<br />

Tuka-tuka 188<br />

Y<br />

Yunbun Karang 146


296 S h a r k s a n d R a y s o f B o r n e o<br />

Malaysian common names index<br />

B<br />

Bengkong 134<br />

Beroi 140<br />

C<br />

Chimara Perak 266<br />

I<br />

Ikan Tikus 266<br />

J<br />

Jerung-mako Sirip 64<br />

Jerung Biru 124<br />

Jerung Gigi Cerakah 82<br />

Jerung Sapi 100<br />

Jerung Tenggiri 114<br />

K<br />

Kan Sua 140<br />

Kemejan 152<br />

Kiampau 220, 232<br />

P<br />

Pari 152, 184<br />

Pari-karan Hitam 164<br />

Pari-kelawar Jawa 252<br />

Pari-kemejan Kepala Keras 146<br />

Pari-kemejan Muncung Panjang 154<br />

Pari-kemejan Muncung Pendek 156<br />

Pari-kemejan Tompok Putih 148<br />

Pari-lang Jalur 248<br />

Pari-lang Tompok Putih 246<br />

Pari-raja Tompok 172<br />

Pari Air Tawar 208, 210<br />

Pari Ayam 252<br />

Pari Bakau 194<br />

Pari Batik 192, 216<br />

Pari Belanda 170, 174, 176<br />

Pari Bendera 222<br />

Pari Bintik Putih 192<br />

Pari Bulat 206<br />

Pari Daun 222<br />

Pari Dedap 236<br />

Pari Duri 236<br />

Pari Durian 236<br />

Pari Ekor Duri 186<br />

Pari Gergasi 182<br />

Pari Helang 244<br />

Pari Hitam 230<br />

Pari Karan 164, 166<br />

Pari Karan Belangkas 168<br />

Pari Karang 232<br />

Pari Karan Tompok Besar 160<br />

Pari Karas 168<br />

Pari Kelabu 234<br />

Pari Kelawar 240, 256, 262<br />

Pari Kelawar Bintik 238<br />

Pari Kemejan 150<br />

Pari Ketuka 188, 218<br />

Pari Lalat 220<br />

Pari Lang 242, 244, 252, 254<br />

Pari Lang Bintik Putih 244<br />

Pari Lang Bunga 250<br />

Pari Lembik Merah 180<br />

Pari Letrik 164<br />

Pari Macan 220<br />

Pari Merah 180<br />

Pari Mulut Kasar 226<br />

Pari Mulut Tajam 202<br />

Pari Naga 196<br />

Pari Nyiru 188<br />

Pari Nyonya 222<br />

Pari Pasir 196, 212<br />

Pari Paus 256, 258, 260, 262, 264<br />

Pari Pucat 190


M a l a y s i a n c o m m o n n a m e s i n d e x 297<br />

Pari Reben 232, 234<br />

Pari Riman 220<br />

Pari Rimau 200, 214, 216, 220<br />

Pari Serban 164<br />

Pari Sungai 198, 208, 210<br />

Pari Susun 252<br />

Pari Tanjung 188, 218, 220, 222<br />

Pari Tembikar 238, 240<br />

Pendek 64<br />

S<br />

Sirip Lekuk 264<br />

T<br />

Tanpa Duri 262<br />

Tuka-tuka 218<br />

Y<br />

Yu 134<br />

Yu-buntal Sarawak 70<br />

Yu-cicak Bintik 52<br />

Yu-cicak Insang Puih 54<br />

Yu-cicak Lampai 48<br />

Yu-cicak Tembaga 50<br />

Yu-gergaji Seragam 142<br />

Yu-gergaji Silih 144<br />

Yu-jaras Bintik 74<br />

Yu-tukul Palang 134<br />

Yu-tukul Sanggul 136<br />

Yu Bengkong 136<br />

Yu Bintik Putih 80<br />

Yu Bodoh 48, 50, 52, 54, 56, 72<br />

Yu Borneo 92<br />

Yu Buncit 70<br />

Yu Buntal 70<br />

Yu Cicak 58, 68<br />

Yu Ekor Hitam 90<br />

Yu Ekor Panjang 62<br />

Yu Gergaji 140, 142, 144<br />

Yu Gergaji Jarang 140<br />

Yu Gigi Cangkuk 78<br />

Yu Gigi Lurus 84<br />

Yu Giling 114<br />

Yu Insang Enam 36<br />

Yu Jalur Putih 88<br />

Yu Jaras 74, 76<br />

Yu Jereh 98, 102, 104, 130<br />

Yu Jerung 64, 100<br />

Yu Kebut 44, 58<br />

Yu Kembong 70<br />

Yu Kemejan 146, 154, 158<br />

Yu Kepak Hitam 102, 106, 112<br />

Yu Kia-kia 148, 150, 152, 154<br />

Yu Kulit Tebal 108<br />

Yu Mata Jauh 134, 136<br />

Yu Mata Lekuk 122<br />

Yu Minyak 38, 40<br />

Yu Misai 46<br />

Yu Muncung Keras 104<br />

Yu Muncung Minyak 128<br />

Yu Muncung Panjang 94<br />

Yu Muncung Susu 126<br />

Yu Nipah 106<br />

Yu Padi 130<br />

Yu Palang 134, 136<br />

Yu Parang 136, 138, 140, 142, 144<br />

Yu Parangan 140, 142, 144<br />

Yu Pari 42, 156<br />

Yu Pasir 50, 80, 96, 98, 104, 110, 130<br />

Yu Paus 60<br />

Yu Pendek 68<br />

Yu Punai 54<br />

Yu Putih 82<br />

Yu Rimau 58<br />

Yu Sanggul 134, 136<br />

Yu Semilang 56<br />

Yu Sirip Hitam 106<br />

Yu Sirip Lebar 120<br />

Yu Sirip Putih 132


298 S h a r k s a n d R a y s o f B o r n e o<br />

Yu Sungai 116, 118<br />

Yu Tanduk 134<br />

Yu Tenggiri 114<br />

Yu Todak 140, 142, 144<br />

Yu Tokeh 50, 54, 58, 68<br />

Yu Trihitam 102<br />

Yu Tukul 136, 138


<strong>Sharks</strong> and Rays of Borneo<br />

This full-colour field guide complements a similar book on the economically important<br />

sharks and rays of Indonesia. It is the result of a collaborative project between the<br />

governments of the United States, Malaysia, Indonesia and Australia, and funded by<br />

the National Science Foundation.<br />

The first comprehensive reference on the sharks and rays of Borneo, it contains<br />

everything you need to know about recognising and identifying the sharks, rays<br />

and chimaeras caught and marketed in Indonesia. Its user-friendly layout contains<br />

information on identifying features, size, distribution, local common names, habitat,<br />

biology and conservation status of 118 species. It is an essential reference for all<br />

shark and ray enthusiasts – including local fishers and consumers, fisheries and<br />

conservation officers and scientists.

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