Black roughscale catshark vs Lesser Akialoa

Apristurus melanoasper compared with Akialoa obscura

Key Differences

• Black roughscale catshark is Least Concern while Lesser Akialoa is Extinct.

Taxonomic Classification

Rank	Black roughscale catshark	Lesser Akialoa
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	Fringillidae
Genus	Apristurus	Akialoa
Species	Apristurus melanoasper	Akialoa obscura

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Lesser Akialoa

EX — Extinct

Physical Characteristics

Attribute	Black roughscale catshark	Lesser Akialoa
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.

Lesser Akialoa

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.