Indonesian Mountain Weasel vs Japanese Weasel

Mustela lutreolina compared with Mustela itatsi

Key Differences

• Indonesian Mountain Weasel is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Indonesian Mountain Weasel	Japanese Weasel
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Carnivora (食肉目)	Carnivora (食肉目)
Family same	Mustelidae (Weasels & Otters)	Mustelidae (Weasels & Otters)
Genus same	Mustela	Mustela
Species	Mustela lutreolina	Mustela itatsi

Evolutionary Relationship

Indonesian Mountain Weasel and Japanese Weasel share a common ancestor at the Genus level: Mustela.

Conservation Status

Indonesian Mountain Weasel

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Indonesian Mountain Weasel	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indonesian Mountain Weasel

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.