Brook Floater vs grey mouse-ear

Alasmidonta varicosa compared with Cerastium brachypetalum

Key Differences

Brook Floater is Vulnerable while grey mouse-ear is Critically Endangered.

Taxonomic Classification

Rank	Brook Floater	grey mouse-ear
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Bivalvia)	Magnoliopsida (Dicots)
Order	Unionida (Unionida)	Caryophyllales (Caryophyllales)
Family	Unionidae	Caryophyllaceae
Genus	Alasmidonta	Cerastium
Species	Alasmidonta varicosa	Cerastium brachypetalum

Conservation Status

Brook Floater

VU — Vulnerable

grey mouse-ear

CR — Critically Endangered

Physical Characteristics

Attribute	Brook Floater	grey mouse-ear
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.

grey mouse-ear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (8 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.