Brook Floater vs Dwarf whip ray

Alasmidonta varicosa compared with Brevitrygon walga

Key Differences

• Brook Floater is Vulnerable while Dwarf whip ray is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Dwarf whip ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionida)	Myliobatiformes (Myliobatiformes)
Family	Unionidae	Dasyatidae
Genus	Alasmidonta	Brevitrygon
Species	Alasmidonta varicosa	Brevitrygon walga

Evolutionary Relationship

Brook Floater and Dwarf whip ray share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Dwarf whip ray

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Dwarf whip ray
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.

Dwarf whip ray

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.