Japanese Weasel vs Oxbow Diving Beetle

Mustela itatsi compared with Hydroporus rufifrons

Key Differences

• Japanese Weasel is Near Threatened while Oxbow Diving Beetle is Critically Endangered.

Taxonomic Classification

Rank	Japanese Weasel	Oxbow Diving Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Coleoptera (Beetles)
Family	Mustelidae (Weasels & Otters)	Dytiscidae
Genus	Mustela	Hydroporus
Species	Mustela itatsi	Hydroporus rufifrons

Evolutionary Relationship

Japanese Weasel and Oxbow Diving Beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Oxbow Diving Beetle

CR — Critically Endangered

Physical Characteristics

Attribute	Japanese Weasel	Oxbow Diving Beetle
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.

Oxbow Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.