Japanese Weasel vs slender facelina

Mustela itatsi compared with Facelina auriculata

Key Differences

• Japanese Weasel is Near Threatened while slender facelina is Vulnerable.

Taxonomic Classification

Rank	Japanese Weasel	slender facelina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Carnivora (Carnivorans)	Nudibranchia (Nudibranchia)
Family	Mustelidae (Weasels & Otters)	Facelinidae
Genus	Mustela	Facelina
Species	Mustela itatsi	Facelina auriculata

Evolutionary Relationship

Japanese Weasel and slender facelina share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Japanese Weasel

NT — Near Threatened

slender facelina

VU — Vulnerable

Physical Characteristics

Attribute	Japanese Weasel	slender facelina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

slender facelina

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.