Black roughscale catshark vs Silver Gull

Apristurus melanoasper compared with Chroicocephalus novaehollandiae

Key Differences

• Black roughscale catshark is Least Concern while Silver Gull is Not Evaluated.

Taxonomic Classification

Rank	Black roughscale catshark	Silver Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Charadriiformes (Charadriiformes)
Family	Scyliorhinidae	Laridae
Genus	Apristurus	Chroicocephalus
Species	Apristurus melanoasper	Chroicocephalus novaehollandiae

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Silver Gull

NE — Not Evaluated

Physical Characteristics

Attribute	Black roughscale catshark	Silver Gull
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.

Silver Gull

Habitat

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

Range

Found in Norway.

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.