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 (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order same	Carnivora (สัตว์กินเนื้อ)	Carnivora (สัตว์กินเนื้อ)
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.