Japanese Weasel vs Mondolfi’s Four-eyed Opossum

Mustela itatsi compared with Philander mondolfii

Key Differences

• Japanese Weasel is Near Threatened while Mondolfi’s Four-eyed Opossum is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Mondolfi’s Four-eyed Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Carnivora (carnívoros)	Didelphimorphia (Didelphimorphia)
Family	Mustelidae (Weasels & Otters)	Didelphidae
Genus	Mustela	Philander
Species	Mustela itatsi	Philander mondolfii

Evolutionary Relationship

Japanese Weasel and Mondolfi’s Four-eyed Opossum share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Japanese Weasel

NT — Near Threatened

Mondolfi’s Four-eyed Opossum

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Mondolfi’s Four-eyed Opossum
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.

Mondolfi’s Four-eyed Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.