Brook Floater vs Gray Red-backed Vole

Alasmidonta varicosa compared with Myodes rufocanus

Key Differences

• Brook Floater is Vulnerable while Gray Red-backed Vole is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Gray Red-backed 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	Myodes
Species	Alasmidonta varicosa	Myodes rufocanus

Evolutionary Relationship

Brook Floater and Gray Red-backed Vole share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Gray Red-backed Vole

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Gray Red-backed 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.

Gray Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Norway.

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.