Puff-faced Water Snake or Masked Water Snake (Homalopsis buccata) is a species of snake

Snake

Snakes are elongate, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales...

 found in Asia

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

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Description

Inter nasals smaller than prefrontals; frontal often broken up into small shields, a little broader or sometimes narrower than the supraocular; parietals short; loreal present, sometimes divided; one or two pre- and two postoculars; one to three suboculars may be present; temporals small; ten to twelve upper labials, fifth or sixth entering the eye or narrowly separated from it; two or three pair of chin-shields, inner in contact with the three anterior lower labials. Scales in 37–47 rows; ventrals 158–176; anal divided; subcaudals 70–106.
Dark brown above, with narrow, pale brown, black-edged transverse bands, in young specimens yellow; head pale with a triangular or V-shaped dark marking on the snout, a A-shaped spot on the occiput, and a dark band on each side passing through the eye and extending to before the eye. Lower surface white or yellowish, with dark brown spots along each side; tail with brown spots. Length of head and body 820 mm.; tail 230 mm. Eats fish and frogs.

Distribution

• Bangladesh; Myanmar, Cambodia; Thailand; Vietnam;
• Indonesia (Bangka, Belitung, Borneo, Java, Kalimantan, Riau Archipelago, Sulawesi, Sumatra);
• Laos; W Malaysia (Malaya); Singapore;
• NE India; Nepal; Pulau Bangka