Black roughscale catshark vs Elktoe

Apristurus melanoasper compared with Alasmidonta marginata

Taxonomic Classification

Rank	Black roughscale catshark	Elktoe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Chondrichthyes (Cartilaginous Fish)	Bivalvia (Bivalvia)
Order	Carcharhiniformes (Ground Sharks)	Unionida (Unionida)
Family	Scyliorhinidae	Unionidae
Genus	Apristurus	Alasmidonta
Species	Apristurus melanoasper	Alasmidonta marginata

Evolutionary Relationship

Black roughscale catshark and Elktoe share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black roughscale catshark

LC — Least Concern

Elktoe

LC — Least Concern

Physical Characteristics

Attribute	Black roughscale catshark	Elktoe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black roughscale catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Elktoe

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and United States.

Black roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.