Gerard's Water Snake — Wildlife of Borneo Field Guide

Gerarda prevostiana

Venom

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

Diet

Freshly moulted (soft-shelled) crabs

Habitat

Mangrove creeks and mudflats

Range

Borneo, South and Southeast Asia

Litter size

Live-bearing, 5–12 young (typical for mangrove-associated homalopsids)

Gestation period

About 5–7 months (typical for the family)

Size

Small-medium (up to 55cm)

Weight

~60–120g

A mangrove specialist that feeds almost exclusively on crabs caught just after they moult, while their new shell is still soft.

Mildly venomous but not dangerous to people, found in mangrove creeks and on mudflats alongside the more familiar Crab-eating Water Snake.

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