Canadian Otter vs Japanese Weasel

Lontra canadensis compared with Mustela itatsi

Key Differences

• Canadian Otter is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Canadian Otter	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Carnivora (Carnivorans)	Carnivora (Carnivorans)
Family same	Mustelidae (Weasels & Otters)	Mustelidae (Weasels & Otters)
Genus	Lontra	Mustela
Species	Lontra canadensis	Mustela itatsi

Evolutionary Relationship

Canadian Otter and Japanese Weasel share a common ancestor at the Family level: Mustelidae. (Weasels & Otters)

Conservation Status

Canadian Otter

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Canadian Otter	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Canadian Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

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.

Canadian Otter

The Canadian Otter (Lontra canadensis) is a species in the genus Lontra. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.