Japanese Weasel vs thick-lipped risso snail

Mustela itatsi compared with Rissoa membranacea

Key Differences

• Japanese Weasel is Near Threatened while thick-lipped risso snail is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	thick-lipped risso snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Carnivora (Carnivorans)	Littorinimorpha (Littorinimorpha)
Family	Mustelidae (Weasels & Otters)	Rissoidae
Genus	Mustela	Rissoa
Species	Mustela itatsi	Rissoa membranacea

Evolutionary Relationship

Japanese Weasel and thick-lipped risso snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Japanese Weasel

NT — Near Threatened

thick-lipped risso snail

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	thick-lipped risso snail
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.

thick-lipped risso snail

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.