Black roughscale catshark vs Granular dogfish

Apristurus melanoasper compared with Centroscyllium granulatum

Key Differences

• Black roughscale catshark is Least Concern while Granular dogfish is Vulnerable.

Taxonomic Classification

Rank	Black roughscale catshark	Granular dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Elasmobranchii
Order	Carcharhiniformes (Ground Sharks)	Squaliformes (Squaliformes)
Family	Scyliorhinidae	Etmopteridae
Genus	Apristurus	Centroscyllium
Species	Apristurus melanoasper	Centroscyllium granulatum

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Granular dogfish

VU — Vulnerable

Physical Characteristics

Attribute	Black roughscale catshark	Granular dogfish
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.

Granular dogfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.