Japanese Weasel vs Spotted Salamander

Mustela itatsi compared with Ambystoma maculatum

Key Differences

• Japanese Weasel is Near Threatened while Spotted Salamander is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Spotted Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Carnivora (Carnivorans)	Caudata (Caudata)
Family	Mustelidae (Weasels & Otters)	Ambystomatidae
Genus	Mustela	Ambystoma
Species	Mustela itatsi	Ambystoma maculatum

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Spotted Salamander

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Spotted Salamander
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.

Spotted Salamander

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in United States.