Elm Leech vs Malaysian Weasel

Hypsizygus ulmarius compared with Mustela nudipes

Key Differences

• Elm Leech is Critically Endangered while Malaysian Weasel is Least Concern.

Taxonomic Classification

Rank	Elm Leech	Malaysian Weasel
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Carnivora (Carnivorans)
Family	Lyophyllaceae	Mustelidae (Weasels & Otters)
Genus	Hypsizygus	Mustela
Species	Hypsizygus ulmarius	Mustela nudipes

Conservation Status

Elm Leech

CR — Critically Endangered

Malaysian Weasel

LC — Least Concern

Physical Characteristics

Attribute	Elm Leech	Malaysian Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Elm Leech

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Malaysian Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.