Thai National Parks

Snakes of Thailand

Species of Thailand

Keel-bellied mud snake

In Thai: งูปากกว้างท้องสัน, ngu paak guang thong sann

Binomial name: Bitia hydroides, John Edward Gray, 1842

The keel-bellied water snake (Bitia hydroides) is a marine homalopsine snake. It belongs to the monotypic genus Bitia.

Geographic range

It is found in Malaysia.

Dentition

Bitia hydroides is noted for its unusual dentition. In all other snakes, any enlarged teeth are located on the dentary or maxilla, with the inner, palatine teeth of the upper jaw being smaller. In Bitia hydroides, the palatine teeth are greatly enlarged. Not enough is known about this animal's feeding behavior or ecology to attempt to infer a function of this peculiar arrangement.

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Subphylum
Vertebrata
Class
Reptilia
Order
Squamata
Suborder
Serpentes
Family
Colubridae
Genus
Bitia
Species
Bitia hydroides

Common names

  • German: Wasser-Schuppenkopf
  • English:
    • Keel-bellied mud snake
    • Gray's water snake
    • Keel-bellied water snake
  • Thai: งูปากกว้างท้องสัน, ngu paak guang thong sann

Synonyms

  • Bitia hydroides, Van Stanley Bartholomew Wallach et al. (2014)
  • Bitia hydroides, John C. Murphy & Harold Knight Voris (2014)
  • Biotia hydroides, Lu et al. (2006)
  • Bitia hydroides, Ulrich Manthey & Wolfgang Grossmann (1997)
  • Homalopsis hydrina, fide Malcolm Arthur Smith (1943)
  • Bitia hydroides, Malcolm Arthur Smith (1943)
  • Hipistes hydrinus, Norman Smedley (1931)
  • Hipistes hydrinus, John Anderson (1871)
  • Hipistes hydrinus, Ferdinand Stoliczka (1870)
  • Hypistes hydrinus, Albert Charles Lewis Günther (1864)
  • Hipistes fasciatus, John Edward Gray (1849)
  • Bitia hydroides, John Edward Gray (1842)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

Photos

No photo for this species yet

Range Map

Distribution map of Keel-bellied mud snake, Bitia hydroides in Thailand
  • Bangkok Coast
Range map of Bitia hydroides in Thailand