Elm Leech vs Pacific Spiny-rat

Hypsizygus ulmarius compared with Proechimys decumanus

Key Differences

• Elm Leech is Critically Endangered while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Elm Leech	Pacific Spiny-rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Rodentia (Rodents)
Family	Lyophyllaceae	Echimyidae
Genus	Hypsizygus	Proechimys
Species	Hypsizygus ulmarius	Proechimys decumanus

Conservation Status

Elm Leech

CR — Critically Endangered

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Elm Leech	Pacific Spiny-rat
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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.