Brook Floater vs Umbilicate Hedgehog

Alasmidonta varicosa compared with Hydnum umbilicatum

Key Differences

Brook Floater is Vulnerable while Umbilicate Hedgehog is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Umbilicate Hedgehog
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Cantharellales (Cantharellales)
Family	Unionidae	Hydnaceae
Genus	Alasmidonta	Hydnum
Species	Alasmidonta varicosa	Hydnum umbilicatum

Conservation Status

Brook Floater

VU — Vulnerable

Umbilicate Hedgehog

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Umbilicate Hedgehog
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.

Umbilicate Hedgehog

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States.

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.