Temporal range: Middle Miocene
All are entirely aquatic, lacking the broad belly-scales found in most other snakes and possessing dorsally located eyes. Their most notable feature is their skin and scales. The skin is loose and baggy, giving the impression of being several sizes too large for the snake, and the scales, rather than overlapping, are tiny pyramidal projections that led to their common names.
These snakes are ambush predators, lurking at the bottom of rivers, streams and estuaries, and waiting for fish to approach, which they grip with their coils. The rough scales allow them to hold the fish despite the mucus coating. Adults grow to between 60 cm and 2.43 m in length.
Found from western India and Sri Lanka through tropical Southeast Asia to the Philippines, south through the Indonesian/Malaysian island group to Timor, east through New Guinea to the northern coast of Australia to Mussau Island, the Bismarck Archipelago and Guadalcanal Island in the Solomon Islands.
|Species||Taxon author||Common name||Geographic range|
|A. arafurae||McDowell, 1979||Arafura filesnake||New Guinea and northern Australia.|
|A. granulatus||(Schneider, 1799)||Little filesnake||Peninsular India, Sri Lanka, Myanmar, the Andaman Islands, Thailand, Cambodia, Vietnam, China, the Philippines, Malaysia, Papua New Guinea, the Solomon Islands, and coastal northern Australia.|
|A. javanicusT||Hornstedt, 1787||Elephant trunk snake,
Javan file snake
|Southeast Asia from Vietnam, Cambodia and Thailand, south through Malaysia, Singapore and Indonesia (Sumatra, Java and Borneo).|
These animals are rapidly becoming rare as their hides are used for handbags and leather (stripped of scales, of course). Numerous attempts have been made by both zoos and private reptile collectors to keep them, but in all cases, they have been reluctant to feed and prone to skin infections.
- Acrochordidae by common name
- Acrochordidae by taxonomic synonyms
- List of snakes, overview of all snake families and genera.
- Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Reptilia entry)". Bulletins of American Paleontology. 364: 560. Archived from the original on 2007-08-02. Retrieved 2007-12-25.
- McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
- "Acrochordidae". Integrated Taxonomic Information System. Retrieved 16 August 2007.
- "Acrochordus". Integrated Taxonomic Information System. Retrieved 16 August 2007.
- Species Acrochordus arafurae at The Reptile Database. Accessed 16 August 2007.
- Species Acrochordus granulatus at The Reptile Database. Accessed 16 August 2007.
- Species Acrochordus javanicus at The Reptile Database. Accessed 16 August 2007.
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