Japanese Weasel vs Sharp-tooth smooth hound

Mustela itatsi compared with Mustelus dorsalis

Key Differences

• Japanese Weasel is Near Threatened while Sharp-tooth smooth hound is Vulnerable.

Taxonomic Classification

Rank	Japanese Weasel	Sharp-tooth smooth hound
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Carnivora (Carnivorans)	Carcharhiniformes (Ground Sharks)
Family	Mustelidae (Weasels & Otters)	Triakidae
Genus	Mustela	Mustelus
Species	Mustela itatsi	Mustelus dorsalis

Evolutionary Relationship

Japanese Weasel and Sharp-tooth smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

Sharp-tooth smooth hound

VU — Vulnerable

Physical Characteristics

Attribute	Japanese Weasel	Sharp-tooth smooth hound
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.

Sharp-tooth smooth hound

Habitat

Typically found in marine environments from coastal waters to deep ocean.