Species MammalsMexican Water Mouse

Mexican Water Mouse

Rheomys mexicanus

Very rareMammal
Illustration of Mexican Water Mouse (Rheomys mexicanus)

The Mexican Water Mouse is an aquatic rodent of montane streams in southern Mexico and Guatemala, with partially webbed hind feet and water-repellent fur adapted for swimming. It dives and forages on the streambed for aquatic invertebrates and small fish. This is one of the most specialized freshwater rodents in North America.

Habitat
Fast-flowing mountain streams in cloud forests
Diet
Aquatic insects, snails, and small fish
How common
Very rare

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