Thai National Parks

Species of Thailand

Southern river terrapin

Batagur affinis, Theodore Edward Cantor, 1847

(In Thai: เต่ากระอาน, dtao kra-aan)

The southern river terrapin (Batagur affinis) is a turtle of the family Geoemydidae found in Malaysia, Indonesia and Cambodia.


  • Batagur affinis affinis
  • Batagur affinis edwardmolli


Many Asian turtles are in danger because of the thriving trade in animals in the region, where a species' rarity can add to its value on a menu or as a traditional medicine.

The species was thought to have disappeared from Cambodia until it was rediscovered in 2001. Conservationists eventually began tagging the animals with tracking devices and monitoring their nests, and King Norodom Sihamoni personally ordered their protection.

Its eggs were a delicacy of the royal cuisine of Cambodia; In 2005, it was designated the national reptile of the Cambodia in an effort to bring awareness and conservation for this species. In July 2015, conservationists in Cambodia cautiously stated that efforts to bring back the species from the brink of extinction were having some success. A number of turtles, including breeding pairs, have been moved from enclosed areas into their intended home, the rivers and shores of Koh Kong where, it is hoped – with the ongoing monitoring and protection of locals and conservationists – they will begin to flourish. They began their conservation effort by ensuring the safety of the hatchlings through fencing the nesting area of the species, given that the extremely low number of nests laid already.

In Malaysia, rivers of Kedah, Perak and Terengganu are major nesting grounds though the population continues to crash despite conservation efforts undertaken by Malaysian Wildlife Department for over 20 years. Pasir Temir and Pasir Lubuk Kawah by the Terengganu River are the largest nesting sites for Batagur baska in the world.

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Scientific classification

Batagur affinis

Common names

  • English: Southern river terrapin
  • Thai: เต่ากระอาน, dtao kra-aan


  • Batagur affinis affinis, Theodore Edward Cantor, 1847

    Common name: Western Malay River Terrapin

    Range: Indonesia (Sumatra), Westt Malaysia, Myanmar (?), Singapore (extirpated), Thailand (extirpated?)

  • Batagur affinis edwardmolli, Peter Praschag, Rohan Holloway, Arthur Georges, Martin Päckert, Anna K. Hundsdörfer & Uwe Fritz, 2009

    Common name: Eastern Malay River Terrapin

    Range: Eastern Malay Peninsula, Cambodia


  • Batagur affinis edwardmolli, Turtle Taxonomy Working Group (TTWG) (2014)
  • Batagur affinis, Turtle Taxonomy Working Group (TTWG) (2014)
  • Batagur affinis edwardmolli, Peter Praschag, Rohan Holloway, Arthur Georges, Martin Päckert, Anna K. Hundsdörfer & Uwe Fritz (2009)
  • Batagur affinis, Peter Praschag et al. (2008)
  • Tetraonyx affinis, Theodore Edward Cantor (1847)


No photo for this species yet

Range Map