aquatic rat vs Japanese Weasel

Anotomys leander compared with Mustela itatsi

Key Differences

• aquatic rat is Endangered while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	aquatic rat	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Cricetidae	Mustelidae (Weasels & Otters)
Genus	Anotomys	Mustela
Species	Anotomys leander	Mustela itatsi

Evolutionary Relationship

aquatic rat and Japanese Weasel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

aquatic rat

EN — Endangered

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	aquatic rat	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

aquatic rat

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

aquatic rat

The Aquatic rat (Anotomys leander) is a species in the genus Anotomys. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.