Bigtooth river stingray vs Brook Floater

Potamotrygon henlei compared with Alasmidonta varicosa

Key Differences

• Bigtooth river stingray is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Bigtooth river stingray

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Bigtooth river stingray	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigtooth river stingray

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.

Bigtooth river stingray

The Bigtooth river stingray (Potamotrygon henlei) is a species in the genus Potamotrygon. It is currently classified as Least Concern on the IUCN Red List.

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.