Brook Floater vs Arraia

Alasmidonta varicosa compared with Potamotrygon schroederi

Key Differences

• Brook Floater is Vulnerable while Arraia is Data Deficient.

Taxonomic Classification

Rank	Brook Floater	Arraia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Moluscos)	Chordata (cordados)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionoida)	Myliobatiformes (Myliobatiformes)
Family	Unionidae	Potamotrygonidae
Genus	Alasmidonta	Potamotrygon
Species	Alasmidonta varicosa	Potamotrygon schroederi

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Arraia

DD — Data Deficient

Physical Characteristics

Attribute	Brook Floater	Arraia
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.

Arraia

Habitat

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

Range

Distributed across Colombia and Venezuela.

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.