Black roughscale catshark vs Surf Scoter

Apristurus melanoasper compared with Melanitta perspicillata

Key Differences

• Black roughscale catshark is Least Concern while Surf Scoter is Not Evaluated.

Taxonomic Classification

Rank	Black roughscale catshark	Surf Scoter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Anseriformes (Anseriformes)
Family	Scyliorhinidae	Anatidae
Genus	Apristurus	Melanitta
Species	Apristurus melanoasper	Melanitta perspicillata

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Surf Scoter

NE — Not Evaluated

Physical Characteristics

Attribute	Black roughscale catshark	Surf Scoter
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.

Surf Scoter

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (5 countries) and North America (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.