Elm Leech vs Heavy-browed Mouse Opossum

Hypsizygus ulmarius compared with Marmosa andersoni

Key Differences

• Elm Leech is Critically Endangered while Heavy-browed Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Elm Leech	Heavy-browed Mouse Opossum
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Didelphimorphia (Didelphimorphia)
Family	Lyophyllaceae	Didelphidae
Genus	Hypsizygus	Marmosa
Species	Hypsizygus ulmarius	Marmosa andersoni

Conservation Status

Elm Leech

CR — Critically Endangered

Heavy-browed Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Elm Leech	Heavy-browed Mouse Opossum
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.

Heavy-browed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.