Barrow's Goldeneye vs Black roughscale catshark

Bucephala islandica compared with Apristurus melanoasper

Key Differences

• Barrow's Goldeneye is Not Evaluated while Black roughscale catshark is Least Concern.

Taxonomic Classification

Rank	Barrow's Goldeneye	Black roughscale catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Chondrichthyes (Cartilaginous Fish)
Order	Anseriformes (Anseriformes)	Carcharhiniformes (Ground Sharks)
Family	Anatidae	Scyliorhinidae
Genus	Bucephala	Apristurus
Species	Bucephala islandica	Apristurus melanoasper

Evolutionary Relationship

Barrow's Goldeneye and Black roughscale catshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Barrow's Goldeneye

NE — Not Evaluated

Black roughscale catshark

LC — Least Concern

Physical Characteristics

Attribute	Barrow's Goldeneye	Black roughscale catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barrow's Goldeneye

Habitat

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

Range

Found across Europe (8 countries) and North America (United States).

Black roughscale catshark

Habitat

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

Barrow's Goldeneye

Barrow's Goldeneye (Bucephala islandica) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

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.