Gray Spiny Mouse vs Japanese Weasel

Acomys cineraceus compared with Mustela itatsi

Key Differences

• Gray Spiny Mouse is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Gray Spiny Mouse	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	Muridae (Mice & Rats)	Mustelidae (Weasels & Otters)
Genus	Acomys	Mustela
Species	Acomys cineraceus	Mustela itatsi

Evolutionary Relationship

Gray Spiny Mouse and Japanese Weasel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray Spiny Mouse

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Gray Spiny Mouse	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Spiny Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.