Snake Identifier
Puff-Faced Water Snake (Homalopsis buccata)
Homalopsis buccata (cropped) by Daiju Azuma, via Wikimedia Commons, licensed under CC BY-SA 2.5
Colubrids

Puff-Faced Water Snake

Homalopsis buccata

A bold, patterned Southeast Asian water snake with a distinctive puffed facial appearance, common in ponds and waterways.

Adult length
80-120 cm (31-47 in)
Range
Southeast Asia

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Overview

The Puff-Faced Water Snake is a robust, boldly patterned homalopsid found in freshwater habitats throughout Southeast Asia. Its common name refers to its somewhat puffy, rounded facial appearance caused by prominent jaw musculature and head shape.

It is primarily adapted for taking fish and amphibian prey.

How to identify it

  • Stout body with a distinctive puffed, rounded facial profile
  • Grayish to brownish base color patterned with dark crossbands or blotches, often with an intricate reticulated design
  • Eyes positioned high on the head
  • Rough, slightly keeled scales
  • Adult length typically 80-120 cm (31-47 in)

Habitat & range

Found in ponds, marshes, canals, rice paddies, and slow-moving rivers throughout Southeast Asia, including Thailand, Malaysia, Indonesia, and the Philippines. Adapts well to both natural wetlands and human-modified aquatic habitats.

Behavior, diet & reproduction

Primarily nocturnal and aquatic, foraging for fish, frogs, and other small aquatic prey. Reproduction is viviparous, with females giving birth to live young.

Frequently asked questions

Where is it found?

It occurs in freshwater habitats throughout Southeast Asia.

What does it eat?

It feeds on fish, frogs, and other small aquatic prey.

How big does it get?

Adults typically reach 80-120 cm (31-47 in).