Brook Floater vs Lesser devilray

Alasmidonta varicosa compared with Mobula kuhlii

Key Differences

• Brook Floater is Vulnerable while Lesser devilray is Endangered.

Taxonomic Classification

Rank	Brook Floater	Lesser devilray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionida)	Myliobatiformes (Myliobatiformes)
Family	Unionidae	Myliobatidae
Genus	Alasmidonta	Mobula
Species	Alasmidonta varicosa	Mobula kuhlii

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Lesser devilray

EN — Endangered

Physical Characteristics

Attribute	Brook Floater	Lesser devilray
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 devilray

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.