Acrochordus granulatus
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| Acrochordus granulatus | ||||||||||||||||||
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 1915 illustration of Acrochordus granulatus, then named Chersydrus granulatus[1]
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| Acrochordus granulatus (Schneider, 1799) |
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Acrochordus granulatus is a snake species found from India through Southeast Asia to the Solomon Islands. It is completely aquatic and almost helpless on land. No subspecies are currently recognized.[5]
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[edit] Description
This species is completely aquatic and nearly helpless on land. Their thin skin rips easily, but has a very rough texture; hence their common name. They are sexually dimorphic, with males being much smaller and having a more highly contrasting color pattern. They are found mainly in small ponds, swamps and estuaries, but has also been found at sea.
[edit] Geographic range
Found from both coasts of peninsular India though Southeast Asia, the Indo-Australian Archipelago and northern Australia to the Solomon Islands. This includes Myanmar, the Andaman and Nicobar Islands, Thailand, Cambodia, Vietnam, China (Hainan), the Philippines (Luzon, Cebu and Batayan), Malaysia, Indonesia (Sumatra, Java, Borneo, Flores, Timor, Sulawesi, Ternate, Ambon, and coastal Irian Jaya), Papua New Guinea, the Solomon Islands the coast along northern Australia (Northern Territory and eastern Queensland. No type locality was given with the original description, although Smith (1943) gives "India" and Saint-Girons (1972) gives "Inde."[2]
[edit] Feeding
According to Shine (1991), 50% of the acrochords tested for stomach contents yielded either rainbow fish, grunters, cat fish or sleepy cod. There is no evidence suggesting that they feed on amphibians. Occasionally known to eat eels. Their rough skin is used for the purpose of underwater constriction, which is how they hold onto their prey. Females are ambush predators while males forage actively.
[edit] See also
[edit] References
- ^ Rooij, Nelly de. 1915. The reptiles of the Indo-Australian archipelago. Leiden. Vol. 2
- ^ a b 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).
- ^ Acrochordus granulatus at the TIGR Reptile Database. Accessed 16 August 2007.
- ^ Western Australian Reptile Species at Frank O'Connor's Birding Western Australia. Accessed 20 September 2007
- ^ Acrochordus granulatus (TSN 634832). Integrated Taxonomic Information System. Retrieved on 16 August 2007.
[edit] Further reading
- Greer, A.E. 2006. Encyclopedia of Australian Reptiles. Australian Museum Online. Accessed 16 August 2007.
- Shine, R. 1991. Australian Snakes, a Natural History. Ithaca, New York: Cornell University Press.
- Smith, M.A. 1943 The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-Region. Reptilia and Amphibia. 3 (Serpentes). Taylor and Francis, London. 583 pp.
- Wall, Frank 1921 Ophidia Taprobanica or the Snakes of Ceylon. Colombo Mus. (H. R. Cottle, govt. printer), Colombo. xxii, 581 pages
[edit] External links
- Acrochordus.com. Accessed 16 August 2007.
- Image of Acrochordus granulatus at the Institute of Toxicology and Genetics. Accessed 16 August 2007.
