Japanese Weasel vs Predacious diving beetle

Mustela itatsi compared with Hydroporus guernei

Key Differences

• Japanese Weasel is Near Threatened while Predacious diving beetle is Endangered.

Taxonomic Classification

Rank	Japanese Weasel	Predacious 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 guernei

Evolutionary Relationship

Japanese Weasel and Predacious diving beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Japanese Weasel

NT — Near Threatened

Predacious diving beetle

EN — Endangered

Physical Characteristics

Attribute	Japanese Weasel	Predacious 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.

Predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.