Thai National Parks

Snakes of Thailand

Species of Thailand

Plain sea snake

In Thai: งูแสมรังแถบสีจาง, ngu saem rang thaep see jaang

Binomial name: Hydrophis inornatus, John Edward Gray, 1849

Hydrophis inornatus, commonly known as the plain sea snake, is a species of venomous sea snake in the family Elapidae.

Distribution

South China Sea (Philippines: Panay, etc.), Sri Lanka,

Australia (North Territory, West Australia?).

Description

Hydrophis inornatus is bluish gray dorsally. The lips, lower sides, and venter are white. The tail is dark bluish gray, with three or four narrow white crossbands.

Head elongate, snout somewhat flattened. Eye large, located above the fourth upper labial. Pupil round. Neck moderately thick.

Dorsal scales hexagonal, with a central keel.

Ventrals distinct, but only slightly larger than the contiguous scales. The type specimen, a male, has 240 ventrals.

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Scientific classification

Kingdom
Animalia
Phylum
Chordata
Subphylum
Vertebrata
Class
Reptilia
Order
Squamata
Suborder
Serpentes
Family
Elapidae
Genus
Hydrophis
Species
Hydrophis inornatus

Common names

  • English:
    • Plain sea snake
    • Inornate sea snake
  • Thai: งูแสมรังแถบสีจาง, ngu saem rang thaep see jaang

Synonyms

  • Chitulia inornata, Tanya Chan-Ard et al. (2015)
  • Chitulia inornata, Van Stanley Bartholomew Wallach et al. (2014)
  • Chitulia (Chitulia) inornata, Vladimir Emelyanovich Kharin (2012)
  • Hydrophis inornata, K.L. Sanders et al. (2012)
  • Chitulia inornata, Vladimir Emelyanovich Kharin & Irina B. Dotsenko (2012)
  • Hydrophis inornatus, S. Wilson & G. Swan (2010)
  • Hydrophis inornatus, Harold Cogger (2000)
  • Aturia inornata, Kenneth R. G. Welch (1994)
  • Hydrophis inornatus, Harold Cogger (1983)
  • Hydrophis ornatus inornatus, Myron Budd Mittleman (1947)
  • Chitulia ornata, Frank Wall (1921)
  • Distira cyanosoma, Frank Wall (1913)
  • Distira ornata, George Albert Boulenger (1896)
  • Distira ornata, Franz Werner (1895)
  • Hydrophis longiceps, Albert Charles Lewis Günther (1864)
  • Hydrophis controversus, Giorgio Jan (1863)
  • Hydrophis manilae, Richard Owen (1859)
  • Hydrophis schlegelii, Johann Gustav Fischer (1856)
  • Thalassophis schlegelii, Karl Patterson Schmidt (1852)
  • Chitulia fasciata, John Edward Gray (1849)
  • Chitulia inornata, John Edward Gray (1849)

Conservation status

Data Deficient (IUCN3.1)

Data Deficient (IUCN3.1)

Photos

No photo for this species yet

Range Map

Distribution map of Plain sea snake, Hydrophis inornatus in Thailand
  • Bangkok Coast
  • Chonburi Coast
  • Narathiwat Coast
  • Phuket Coast
  • Ranong Coast
  • Samut Prakan Coast
  • Satun Coast
  • Surat Thani Coast
Range map of Hydrophis inornatus in Thailand