Fossa vs Japanese Weasel

Cryptoprocta ferox compared with Mustela itatsi

Key Differences

• Fossa is Vulnerable while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Fossa	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Carnivora (Carnivorans)	Carnivora (Carnivorans)
Family	Eupleridae	Mustelidae (Weasels & Otters)
Genus	Cryptoprocta	Mustela
Species	Cryptoprocta ferox	Mustela itatsi

Evolutionary Relationship

Fossa and Japanese Weasel share a common ancestor at the Order level: Carnivora. (Carnivorans)

Conservation Status

Fossa

VU — Vulnerable

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Fossa	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fossa

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.