Brook Floater vs Dark blind ray

Alasmidonta varicosa compared with Benthobatis moresbyi

Key Differences

• Brook Floater is Vulnerable while Dark blind ray is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Dark blind ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionida)	Torpediniformes (electric ray)
Family	Unionidae	Narcinidae
Genus	Alasmidonta	Benthobatis
Species	Alasmidonta varicosa	Benthobatis moresbyi

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Dark blind ray

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Dark blind ray
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.

Dark blind ray

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.