Black roughscale catshark vs Wire-crested Thorntail

Apristurus melanoasper compared with Discosura popelairii

Key Differences

• Black roughscale catshark is Least Concern while Wire-crested Thorntail is Near Threatened.

Taxonomic Classification

Rank	Black roughscale catshark	Wire-crested Thorntail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Aves (Birds)
Order	Carcharhiniformes (Ground Sharks)	Apodiformes (Apodiformes)
Family	Scyliorhinidae	Trochilidae
Genus	Apristurus	Discosura
Species	Apristurus melanoasper	Discosura popelairii

Evolutionary Relationship

Black roughscale catshark and Wire-crested Thorntail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black roughscale catshark

LC — Least Concern

Wire-crested Thorntail

NT — Near Threatened

Physical Characteristics

Attribute	Black roughscale catshark	Wire-crested Thorntail
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.

Wire-crested Thorntail

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.