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Batagur baska (GRAY, 1831)

IUCN Red List - Batagur baska - Critically Endangered, CR
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Higher TaxaGeoemydidae or Bataguridae, Testudines (turtles) 
SubspeciesBatagur baska baska GRAY 1831
Batagur baska ranongensis NUTAPHAND 1979 
Common NamesE: Batagur; River Terrapin
G: Batagur-Flussschildkröte 
SynonymEmys baska GRAY 1831
Emys batagur GRAY 1831
Trionyx cuvieri GRAY 1831
Tetronyx longicollis LESSON 1832
Emys tetraonyx TEMMINCK & SCHLEGEL 1833
Tetraonyx Lessonii DUMÉRIL & BIBRON 1835: 338
Tetronyx [sic] Baska — DUMÉRIL & BIBRON 1835: 341
Batagur baska — GRAY 1855
Batagur baska — GRAY 1857: 343
Batagur baska ranongensis NUTAPHAND 1979 (nom. dubium)
Batagur baska — MANTHEY & GROSSMANN 1997: 441
Batagur baska — COX et al. 1998: 125
Batagur baska ranongensis — OBST 2003: 17
Batagur baska — RHODIN et al. 2010 
DistributionMyanmar (= Burma) (Irrawaddy River), S Thailand, S Vietnam, Cambodia, West Malaysia, Indonesia (Sumatra), India, Bangladesh

baska: Bangladesh, India (Orissa, West Bengal), Myanmar, probably extirpated in Thailand; Type locality: “India”

ranongensis: Thailand; Type locality: estuaries of Ranong Province, Malay Peninsula, Thailand. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and this does not always work properly. We are working on it.
 
TypesHolotype: unknown (fide SANG et al. 2009) 
CommentSynonymy: partly after RHODIN et al. 2010.

Conservation: This is one of the most endangered turtle species according to a 2003 assessment by the IUCN. Not in Thailand fide CHAN-ARD et al. 1999.

Habitat: B. affinis, B. baska, and B. borneoensis are the only species living in tidal, brackish areas of the estuaries of medium and large rivers (Ernst et al. 2000)

Reproduction: oviparous. 
References
  • Cox, Merel J.; Van Dijk, Peter Paul; Jarujin Nabhitabhata & Thirakhupt,Kumthorn 1998. A Photographic Guide to Snakes and Other Reptiles of Peninsular Malaysia, Singapore and Thailand. Ralph Curtis Publishing, 144 pp.
  • Das, I. 2008. Tortoises and Freshwater Turtles of India. WWF/WII poster
  • Das, Indraneil 1989. Batagur baska in Orissa Hamadryad 14 (1): 2-3
  • Duméril, A.M.C., and G. Bibron. 1835. Erpétologie Générale ou Histoire Naturelle Complète des Reptiles, Vol. 2. Librairie Encyclopédique de Roret, Paris, iv + 680 p. - get paper here
  • Ernst, C. H.; Altenburg, R. G. M.; Barbour, R. W. 2000. Turtles of the World. Windows Version 1.2. World Biodiversity Database CD-ROM Series. Expert Center for Taxonomic Identification. Amsterdam, The Netherlands
  • Ernst,C.H. and Barbour,R.W. 1989. Turtles of the World. Smithsonian Institution Press, Washington D.C. - London
  • Gray, J. E. 1831. A synopsis of the species of Class Reptilia. In: Griffith, E & E. Pidgeon: The animal kingdom arranged in conformity with its organisation by the Baron Cuvier with additional descriptions of all the species hither named, and of many before noticed [V Whittaker, Treacher and Co., London: 481 + 110 pp. [1830]
  • Gray,J.E. 1857. Notice of some Indian tortoises (including the description of a new species presented to the British Museum by Professor Oldham). Ann. Mag. Nat. Hist. (2) 19: 342-344 - get paper here
  • Grismer, L.L. et al. 2007. THE HERPETOFAUNA OF THE PHNOM AURAL WILDLIFE SANCTUARY AND CHECKLIST OF THE HERPETOFAUNA OF THE CARDAMOM MOUNTAINS, CAMBODIA. Hamadryad 31 (2): 216 – 241
  • Kalyar; JOHN THORBJARNARSON AND KUMTHORN THIRAKHUPT 2007. An Overview of the Current Population and Conservation Status of the Critically Endangered River Terrapin, Batagur baska (Gray, 1831) in Myanmar, Thailand and Malaysia. The Natural History Journal of Chulalongkorn University 7(1): 51-65
  • Kwet, A. 2010. Welterstnachzucht der Batagur-Schildkröte. Reptilia (Münster) 15 (84): 10-11 - get paper here
  • Ludwig, Maxim; Auer, Markus; Fritz, Uwe 2007. Phalangeal formulae of geoemydid terrapins (Batagur, Callagur, Hardella, Heosemys, Kachuga, Orlitia, Pangshura, Rhinoclemmys) reflect distinct modes of life. Amphibia-Reptilia 28 (4): 574-576 - get paper here
  • Manthey, U. & Grossmann, W. 1997. Amphibien & Reptilien Südostasiens. Natur und Tier Verlag (Münster), 512 pp. - get paper here
  • McCord, W.P. & Joseph-Ouni, M. 2003. Chelonian Illustrations #10. Monotypic genera of the family Geoemydidae. Reptilia (GB) (30): 34-38 - get paper here
  • Nutaphand, W, 1979. The Turtles of Thailand. Bangkok (Siamfarm Zool. Garden), 222 pp.
  • Platt, Kalyar; Steven G. Platt, Kumthorn Thirakhupt, and Thomas R. Rainwater 2008. Recent Records and Conservation Status of the Critically Endangered Mangrove Terrapin, Batagur baska, in Myanmar Chelonian Conservation and Biology 7(2): 261-265 - get paper here
  • PLATT, S.G.; BRYAN L. STUART; HENG SOVANNARA; LONG KHENG, KALYAR AND HENG KIMCHHAY 2003. Rediscovery of the critically endangered river terrapin, Batagur baska, in Cambodia, with notes on occurrence, reproduction, and conservation status Chelonian Conserv. Biol. 4 (3): 691
  • Platt, Steven G.; Heng Sovannara, Long Kheng, Rohan Holloway, Bryan L. Stuart, and Thomas R. Rainwat 2008. Biodiversity, Exploitation, and Conservation of Turtles in the Tonle Sap Biosphere Reserve, Cambodia, with Notes on Reproductive Ecology of Malayemys subtrijuga Chelonian Conservation and Biology 7(2): 195
  • PRASCHAG, PETER; ROHAN HOLLOWAY, ARTHUR GEORGES, MARTIN PÄCKERT, ANNA K. HUNDSDÖRFER & UWE FRITZ 2009. A new subspecies of Batagur affinis (Cantor, 1847), one of the world’s most critically endangered chelonians (Testudines: Geoemydidae). Zootaxa 2233: 57-68 - get paper here
  • Rhodin, A.G.J.; van Dijk, P.P.; Iverson, J.B. & Shaffer, H.B. [turtle taxonomy working group] 2010. Turtles of the World, 2010 Update: Annotated Checklist of Taxonomy, Synonymy, Distribution, and Conservation Status. Chelonian Research Monographs (ISSN 1088-7105) No. 5, doi:10.3854/crm.5.000.checklist.v3.2010
  • Sang, Nguyen Van; Ho Thu Cuc, Nguyen, Quang Truong 2009. Herpetofauna of Vietnam. Chimaira, Frankfurt, 768 pp.
  • Schilde, M. 2004. Asiatische Sumpfschildkröten - Die Familie Geoemydidae in Südostasien, China und Japan. Natur und Tier Verlag (Münster), 192 pp. - get paper here
 
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