Japanese Weasel vs Ricefield Rat

Mustela itatsi compared with Rattus argentiventer

Key Differences

• Japanese Weasel is Near Threatened while Ricefield Rat is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Ricefield Rat
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)	Muridae (Mice & Rats)
Genus	Mustela	Rattus
Species	Mustela itatsi	Rattus argentiventer

Evolutionary Relationship

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

Conservation Status

Japanese Weasel

NT — Near Threatened

Ricefield Rat

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Ricefield Rat
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.

Ricefield Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Philippines.