Black roughscale catshark vs Tristram's Starling

Apristurus melanoasper compared with Onychognathus tristramii

Taxonomic Classification

Rank	Black roughscale catshark	Tristram's Starling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Passeriformes (Songbirds)
Family	Scyliorhinidae	Sturnidae
Genus	Apristurus	Onychognathus
Species	Apristurus melanoasper	Onychognathus tristramii

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Tristram's Starling

LC — Least Concern

Physical Characteristics

Attribute	Black roughscale catshark	Tristram's Starling
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.

Tristram's Starling

Habitat

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

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom.

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.