Batagur affinis, Southern River Terrapin
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Batagur affinis   (Cantor, 1847)

Southern River Terrapin
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Not assigned | Testudines | Geoemydidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Others; freshwater.  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Asia: Cambodia, Indonesia (Sumatra), southern Malay Peninsula (southern Thailand and West Malaysia), Singapore (extirpated, reintroduced), Vietnam (extirpated).

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 62.5 cm CL male/unsexed; (Ref. 128071); max. published weight: 38.0 kg (Ref. 128071)

Biology     Glossary (e.g. epibenthic)

Found in estuaries, inhabiting tidal regions of large rivers. Although wild terrapins are omnivores, the majority of their diet consists of leafy vegetation and fruits (Refs. 128071, 128076). This species is heavily exploited both for its flesh and its large eggs, and also threatened by habitat destruction. It is severely depleted throughout its range and extirpated from many of their historical habitats (Ref. 128071). Found in estuaries, inhabiting tidal regions of large rivers. This species has limited physiological adaptability to high saline concentrations (not more than 20 ppt). Main nesting period occurs during dry season (November to March) when sand banks emerge (Ref. 128071).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

Moll, E.O., S.G. Platt, E.H. Chan, B.D. Horne, K. Platt, P. Praschag, P.N. Chen and P.P. van Dijk 2015 Batagur affinis (Cantor 1847) - Southern River Terrapin, Tuntong In: Rhodin, A.G.J.; Pritchard, P.C.H.; van Dijk, P.P.; Saumure, R.A.; Buhlmann, K.A.; Iverson, J.B.; Mittermeier, R.A. (eds). Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group. Chelonian Research Monographs 5(8):090.1-17. (Ref. 128071)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Critically Endangered (CR) (A2bcd+4bcd); Date assessed: 14 March 2018

CITES status (Ref. 108899)

Appendix I: International trade banned

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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Ecology
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Length-weight rel.
Length-length rel.
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Abundance
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References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Fishing Vulnerability (Ref. 71543): Moderate vulnerability (45 of 100).

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