Japanese Weasel vs Round Ray

Mustela itatsi compared with Rajella fyllae

Key Differences

• Japanese Weasel is Near Threatened while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Japanese Weasel	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Carnivora (Carnivorans)	Rajiformes (Rajiformes)
Family	Mustelidae (Weasels & Otters)	Rajidae
Genus	Mustela	Rajella
Species	Mustela itatsi	Rajella fyllae

Evolutionary Relationship

Japanese Weasel and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Japanese Weasel	Round Ray
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.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.