Broadbacked stingaree vs Brook Floater

Urolophus expansus compared with Alasmidonta varicosa

Key Differences

• Broadbacked stingaree is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Broadbacked stingaree	Brook Floater
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Chordata (хордовые)	Mollusca (моллюски)
Class	Elasmobranchii	Bivalvia (двустворчатые)
Order	Myliobatiformes (хвостоколообразные)	Unionida (Униониды)
Family	Urolophidae	Unionidae
Genus	Urolophus	Alasmidonta
Species	Urolophus expansus	Alasmidonta varicosa

Evolutionary Relationship

Broadbacked stingaree and Brook Floater share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Broadbacked stingaree

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Broadbacked stingaree	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broadbacked stingaree

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.

Broadbacked stingaree

The Broadbacked stingaree (Urolophus expansus) is a species in the genus Urolophus. 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.