Temporal range: Middle Miocene[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Infraorder: Alethinophidia
Family: Acrochordidae
Bonaparte, 1831
Genus: Acrochordus
Hornstedt, 1787
  • Acrochordina - Bonaparte, 1831
  • Acrochordidae - Bonaparte, 1840
  • Acrochorniens - A.M.C. Duméril, 1853
  • Acrochordidae - Jan, 1863
  • Acrochordinae - Boulenger, 1893
  • Acrochordoidae - McDowell, 1975
  • Acrochordini - Dowling & Duellman, 1978[2]

  • Acrochordus - Hornstedt, 1787
  • Chersydrus - Cuvier, 1817
  • Chersidrus - Oken, 1817
  • Acrochordus - Gray, 1825
  • Chersydreas - Gray, 1825
  • Chershydrus - Bonaparte, 1831
  • Verrucator - Schlegel, 1837
  • Chersydraeas - Gray, 1849
  • Potamophis - Schmidt, 1852
  • Chersydraeus - Duméril, Bibron & Duméril, 1854
  • Acrochordus - Boulenger, 1893[2]
Common names: wart snakes,[3] Java wart snakes,[4] file snakes, more.

The Acrochordidae are a monotypic family[3] created for the genus Acrochordus. This is a group of primitive aquatic snakes found in Australia and Indonesia. Currently, 3 species are recognized.[4]



Acrochordus javanicus

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 lead 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.

Common names

Wart snakes,[3] Java wart snakes,[4] file snakes, elephant trunk snakes, dogface snakes.

Geographic range

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 Bismark Archipelago and Guadalcanal Island in the Solomon Islands.[2]


Species[4] Taxon author[4] Common name Geographic range[2]
A. arafurae McDowell, 1979 Arafura filesnake[5] New Guinea and northern Australia.
A. granulatus (Schneider, 1799) Little filesnake[6] 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 Javan file snake[7] Southeast Asia from Vietnam, Cambodia and Thailand, south through Malaysia, Singapore and Indonesia (Sumatra, Java and Borneo).

T) Type species.[2]

Commercial exploitation

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.

See also

  • Acrochordidae by common name
  • Acrochordidae by taxonomic synonyms
  • List of snakes, overview of all snake families and genera.


  1. ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Reptilia entry)". Bulletins of American Paleontology 364: p.560. Retrieved 2007-12-25. 
  2. ^ a b c d e 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).
  3. ^ a b c "Acrochordidae". Integrated Taxonomic Information System. Retrieved 16 August 2007. 
  4. ^ a b c d e "Acrochordus". Integrated Taxonomic Information System. Retrieved 16 August 2007. 
  5. ^ Species Acrochordus arafurae at The Reptile Database. Accessed 16 August 2007.
  6. ^ Species Acrochordus granulatus at The Reptile Database. Accessed 16 August 2007.
  7. ^ Species Acrochordus javanicus at The Reptile Database. Accessed 16 August 2007.

External links

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  • acrochordidae — ˌakrəˈkȯrdəˌdē noun plural Usage: capitalized Etymology: New Latin, from Acrochordus, type genus (from Greek akrochordōn wart with a thin neck, from akr acr + chordē intestine, catgut) + idae more at yarn : a small family often considered a… …   Useful english dictionary

  • Бородавчатые змеи — (Acrochordidae)         семейство водных неядовитых змей. 6 родов с 7 8 видами. Распространены от Индии и Индокитая до Новой Гвинеи. Самый крупный представитель яванская Б. з. (Acrochordus javanicus), длиной до 2,5 м. Живёт в реках. Питается… …   Большая советская энциклопедия

  • Акрохордовые — (Acrochordidae) небольшое семейство ужевидных змей (см.), отличающееся тем, что тело покрыто мелкими бородавкообразными бугорками или шипиками вместо чешуи. Три относящиеся сюда вида живут в Индии и на Ост Индских о вах; держатся преимущественно… …   Энциклопедический словарь Ф.А. Брокгауза и И.А. Ефрона

  • Acrochordus — Acrochordus …   Wikipédia en Français

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