Brook Floater vs Variable Oysterling

Alasmidonta varicosa compared with Crepidotus variabilis

Key Differences

• Brook Floater is Vulnerable while Variable Oysterling is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Variable Oysterling
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Bivalvia (Bivalvia)	Agaricomycetes (Mushrooms)
Order	Unionida (Unionida)	Agaricales (Gilled Mushrooms)
Family	Unionidae	Crepidotaceae
Genus	Alasmidonta	Crepidotus
Species	Alasmidonta varicosa	Crepidotus variabilis

Conservation Status

Brook Floater

VU — Vulnerable

Variable Oysterling

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Variable Oysterling
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.

Variable Oysterling

Habitat

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

Range

Found across Europe (5 countries) and North America (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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States