Brook Floater vs Elm Leech

Alasmidonta varicosa compared with Hypsizygus ulmarius

Key Differences

Brook Floater is Vulnerable while Elm Leech is Critically Endangered.

Taxonomic Classification

Rank	Brook Floater	Elm Leech
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Agaricales (Gilled Mushrooms)
Family	Unionidae	Lyophyllaceae
Genus	Alasmidonta	Hypsizygus
Species	Alasmidonta varicosa	Hypsizygus ulmarius

Conservation Status

Brook Floater

VU — Vulnerable

Elm Leech

CR — Critically Endangered

Physical Characteristics

Attribute	Brook Floater	Elm Leech
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.