Japanese Weasel vs Quartz Webcap

Mustela itatsi compared with Cortinarius quarciticus

Key Differences

• Japanese Weasel is Near Threatened while Quartz Webcap is Vulnerable.

Taxonomic Classification

Rank	Japanese Weasel	Quartz Webcap
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)	Cortinariaceae
Genus	Mustela	Cortinarius
Species	Mustela itatsi	Cortinarius quarciticus

Conservation Status

Japanese Weasel

NT — Near Threatened

Quartz Webcap

VU — Vulnerable

Physical Characteristics

Attribute	Japanese Weasel	Quartz Webcap
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.

Quartz Webcap

Habitat

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

Range

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