Black roughscale catshark vs Green-eyed Hooktail

Apristurus melanoasper compared with Onychogomphus forcipatus

Key Differences

• Black roughscale catshark is Least Concern while Green-eyed Hooktail is Near Threatened.

Taxonomic Classification

Rank	Black roughscale catshark	Green-eyed Hooktail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Odonata (Odonata)
Family	Scyliorhinidae	Gomphidae
Genus	Apristurus	Onychogomphus
Species	Apristurus melanoasper	Onychogomphus forcipatus

Evolutionary Relationship

Black roughscale catshark and Green-eyed Hooktail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black roughscale catshark

LC — Least Concern

Green-eyed Hooktail

NT — Near Threatened

Physical Characteristics

Attribute	Black roughscale catshark	Green-eyed Hooktail
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.

Green-eyed Hooktail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. 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.