Black roughscale catshark vs Perija Thistletail

Apristurus melanoasper compared with Asthenes perijana

Key Differences

• Black roughscale catshark is Least Concern while Perija Thistletail is Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Perija Thistletail
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	Furnariidae
Genus	Apristurus	Asthenes
Species	Apristurus melanoasper	Asthenes perijana

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Perija Thistletail

EN — Endangered

Physical Characteristics

Attribute	Black roughscale catshark	Perija Thistletail
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.

Perija Thistletail

Habitat

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

Range

Distributed across Colombia, Norway, and Venezuela. Currently classified as Endangered 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.