Bartail spurdog vs Black roughscale catshark

Squalus notocaudatus compared with Apristurus melanoasper

Taxonomic Classification

Rank	Bartail spurdog	Black roughscale catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Chondrichthyes (Cartilaginous Fish)
Order	Squaliformes (Squaliformes)	Carcharhiniformes (Ground Sharks)
Family	Squalidae	Scyliorhinidae
Genus	Squalus	Apristurus
Species	Squalus notocaudatus	Apristurus melanoasper

Evolutionary Relationship

Bartail spurdog and Black roughscale catshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bartail spurdog

LC — Least Concern

Black roughscale catshark

LC — Least Concern

Physical Characteristics

Attribute	Bartail spurdog	Black roughscale catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Black roughscale catshark

Habitat

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

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.

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.