Anglespot river stingray vs Brook Floater

Potamotrygon orbignyi compared with Alasmidonta varicosa

Key Differences

• Anglespot river stingray is Near Threatened while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Anglespot 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 orbignyi	Alasmidonta varicosa

Evolutionary Relationship

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

Conservation Status

Anglespot river stingray

NT — Near Threatened

Brook Floater

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Anglespot river stingray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Colombia. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Anglespot river stingray

The Anglespot river stingray (Potamotrygon orbignyi) is a species in the genus Potamotrygon. It is currently classified as Near Threatened on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

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.