Brook Floater vs rock vole

Alasmidonta varicosa compared with Microtus chrotorrhinus

Key Differences

• Brook Floater is Vulnerable while rock vole is Least Concern.

Taxonomic Classification

Rank	Brook Floater	rock vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Rodentia (Rodents)
Family	Unionidae	Cricetidae
Genus	Alasmidonta	Microtus
Species	Alasmidonta varicosa	Microtus chrotorrhinus

Evolutionary Relationship

Brook Floater and rock vole share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

rock vole

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	rock vole
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.

rock vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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