Amazonian Marsh Rat vs Japanese Weasel

Holochilus sciureus compared with Mustela itatsi

Key Differences

• Amazonian Marsh Rat is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Amazonian Marsh 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	Holochilus	Mustela
Species	Holochilus sciureus	Mustela itatsi

Evolutionary Relationship

Amazonian Marsh Rat and Japanese Weasel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Amazonian Marsh Rat	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.