vs Japanese Weasel

Hyphoderma definitum compared with Mustela itatsi

Key Differences

• is Data Deficient while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank		Japanese Weasel
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Polyporales (Polyporales)	Carnivora (Carnivorans)
Family	Hyphodermataceae	Mustelidae (Weasels & Otters)
Genus	Hyphoderma	Mustela
Species	Hyphoderma definitum	Mustela itatsi

Conservation Status

DD — Data Deficient

Japanese Weasel

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and Taiwan.

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.

Hyphoderma definitum is a corticioid fungus in the family Polyporaceae, assessed as Data Deficient (DD). It forms thin, resupinate fruiting bodies on decaying wood in forest habitats. Limited collection records make a comprehensive conservation assessment difficult.