Japanese Weasel vs Swarming Spine

Mustela itatsi compared with Mucronella calva

Key Differences

• Japanese Weasel is Near Threatened while Swarming Spine is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Swarming Spine
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Carnivora (Carnivorans)	Agaricales (Gilled Mushrooms)
Family	Mustelidae (Weasels & Otters)	Clavariaceae
Genus	Mustela	Mucronella
Species	Mustela itatsi	Mucronella calva

Conservation Status

Japanese Weasel

NT — Near Threatened

Swarming Spine

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Swarming Spine
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.

Swarming Spine

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil).