Mammals
Crab-Eating Mongoose
Herpestes urva · also called crab-eating mongooses
Cracking open crab shells with dexterous paws along a forest stream, a crab-eating mongoose relies on partially webbed feet to chase its favourite prey through water, a far more aquatic lifestyle than most of its savanna-dwelling relatives.
Overview
The crab-eating mongoose, Herpestes urva, is a semi-aquatic carnivore native to wetland and forest-stream habitat across South and Southeast Asia. Its partially webbed feet, strong dependence on water, and specialised crab-cracking technique make it one of the more distinctively aquatic mongoose species found anywhere in Asia.
A mongoose that chose the water
While most mongoose species have adapted to dry, open terrain, the crab-eating mongoose has taken a different path entirely, building its whole lifestyle around streams and wetlands in pursuit of the crabs that make up the bulk of its diet.
Status
Least Concern, remaining widespread across suitable wetland and stream habitat throughout South and Southeast Asia.
Crab-Eating Mongoose: common questions
Why does the crab-eating mongoose have webbed feet?
This species has partially webbed feet, an adaptation for swimming that helps it pursue crabs and other aquatic prey effectively in the streams, marshes, and rice paddies it favours.
Is the crab-eating mongoose more water-dependent than other mongooses?
Yes, this species stays closely tied to streams, marshes, and rice paddies, a stronger dependence on water than most other mongoose species, which typically favour drier savanna or grassland habitat.
How does the crab-eating mongoose open crab shells?
This species uses dexterous front paws to handle and crack open the hard shells of crabs, its most important prey item, rather than relying purely on its teeth.
How can you identify a crab-eating mongoose?
This species has a shaggy, greyish-brown coat marked with a distinctive white stripe running from the corner of the mouth toward the ear, a clear identifying feature.