Distribution: Australia (North Territory, Queensland, West Australia) Bangladesh; India (Bengal); Indonesia (Borneo, Irian Jaya, Seram=Ceram, Sumatra, Java; Timor, Ambon); Malaysia (Malaya and East Malaysia); Myanmar (Burma), Papua New Guinea Philippine Islands; Singapore; Thailand, Cambodia, Vietnam
Type locality: Timor (Indonesia)
Habitat and Ecology
This species is usually found in 0-10 m of water (Cogger 2007).
IUCN Red List Assessment
Red List Category
Red List Criteria
The aquatic snake Fordonia leucobalia is known by the common names crab-eating water snake and white-bellied mangrove snake. It is a common resident of mangrove swamps and tropical tidal wetlands from Southeast Asia to the coasts of Northern Australia.
Individual F. leucobalia reach up to a meter in length, and are brown or gray in color with a white belly. There is significant color variation. Some have spots. The anatomy reflects the snake's water-living lifestyle: the eyes are located atop the head, and the nostrils have valves that close when the snake dives.
- "Fordonia leucobalia (Schlegel, 1837)". Atlas of Living Australia. Retrieved 12 November 2014.
- Boulenger, George A. 1890 The Fauna of British India, Including Ceylon and Burma. Reptilia and Batrachia. Taylor & Francis, London, xviii, 541 pp.
- Frith,C.B. & MacIver,D. 1978 The crab-eating Water Snake, Fordonia leucobalia (Schlegel), another snake new to Thailand. Nat. Hist. Bull. Siam Soc. (Bangkok) 27: 189-191
- Schlegel, H. 1837 Essai sur la physionomie des serpens. Partie Généralxxviii +251 S. + Partie Descriptiv606 S. + xvi. La Haye (J. Kips, J. HZ. et W. P. van Stockum)