Brook Floater vs Lesser Mouse-eared Myotis

Alasmidonta varicosa compared with Myotis blythii

Key Differences

• Brook Floater is Vulnerable while Lesser Mouse-eared Myotis is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Lesser Mouse-eared Myotis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Chiroptera (Bats)
Family	Unionidae	Vespertilionidae
Genus	Alasmidonta	Myotis
Species	Alasmidonta varicosa	Myotis blythii

Evolutionary Relationship

Brook Floater and Lesser Mouse-eared Myotis share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Lesser Mouse-eared Myotis

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Lesser Mouse-eared Myotis
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.

Lesser Mouse-eared Myotis

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ukraine.

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.