Blotched skate vs Brook Floater

Notoraja sticta compared with Alasmidonta varicosa

Key Differences

• Blotched skate is Least Concern while Brook Floater is Vulnerable.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Blotched skate

LC — Least Concern

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Blotched skate	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blotched skate

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.

Blotched skate

The Blotched skate (Notoraja sticta) is a species in the genus Notoraja. It is currently classified as Least Concern on the IUCN Red List. As a member of the genus Notoraja, it shares ecological traits with closely related species.

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.