Orange-lipped Water Snake

Keelbacks & Mock Vipers

Macropisthodon flaviceps

Basic stats

Venom

Mildly venomous (rear-fanged, not dangerous to humans)

Diet

Frogs, toads

Habitat

Forest floor near water

Range

Borneo, Sumatra, Peninsular Malaysia, Thailand

Clutch size

10–20 eggs (typical for Macropisthodon)

Incubation period

About 60–80 days (typical for Macropisthodon)

Size

Medium (up to 70cm)

Weight

~100–200g

A stout keelback, close relative of the Blue-necked Water Snake, that mimics a viper when threatened — flattening its body, hissing loudly and striking — despite being harmless to people.

Feeds on frogs and toads on the forest floor near water; named for its orange-tinged lips.

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