Japanese Weasel vs Peruvian Ichthyomyine

Mustela itatsi compared with Neusticomys peruviensis

Key Differences

• Japanese Weasel is Near Threatened while Peruvian Ichthyomyine is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Peruvian Ichthyomyine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Rodentia (Rodents)
Family	Mustelidae (Weasels & Otters)	Cricetidae
Genus	Mustela	Neusticomys
Species	Mustela itatsi	Neusticomys peruviensis

Evolutionary Relationship

Japanese Weasel and Peruvian Ichthyomyine share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Peruvian Ichthyomyine

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Peruvian Ichthyomyine
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.

Peruvian Ichthyomyine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.