Brook Floater vs La Plata skate

Alasmidonta varicosa compared with Atlantoraja platana

Key Differences

• Brook Floater is Vulnerable while La Plata skate is Endangered.

Taxonomic Classification

Rank	Brook Floater	La Plata skate
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionida)	Rajiformes (Rajiformes)
Family	Unionidae	Arhynchobatidae
Genus	Alasmidonta	Atlantoraja
Species	Alasmidonta varicosa	Atlantoraja platana

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

La Plata skate

EN — Endangered

Physical Characteristics

Attribute	Brook Floater	La Plata skate
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.

La Plata skate

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.