Brook Floater vs Short-tailed river stingray

Alasmidonta varicosa compared with Potamotrygon brachyura

Key Differences

• Brook Floater is Vulnerable while Short-tailed river stingray is Data Deficient.

Taxonomic Classification

Rank	Brook Floater	Short-tailed river stingray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionida)	Myliobatiformes (Myliobatiformes)
Family	Unionidae	Potamotrygonidae
Genus	Alasmidonta	Potamotrygon
Species	Alasmidonta varicosa	Potamotrygon brachyura

Evolutionary Relationship

Brook Floater and Short-tailed river stingray share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Short-tailed river stingray

DD — Data Deficient

Physical Characteristics

Attribute	Brook Floater	Short-tailed river stingray
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.

Short-tailed river stingray

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.