Black roughscale catshark vs Green-Underside Blue

Apristurus melanoasper compared with Glaucopsyche alexis

Key Differences

• Black roughscale catshark is Least Concern while Green-Underside Blue is Near Threatened.

Taxonomic Classification

Rank	Black roughscale catshark	Green-Underside Blue
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Lepidoptera (Butterflies & Moths)
Family	Scyliorhinidae	Lycaenidae
Genus	Apristurus	Glaucopsyche
Species	Apristurus melanoasper	Glaucopsyche alexis

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Green-Underside Blue

NT — Near Threatened

Physical Characteristics

Attribute	Black roughscale catshark	Green-Underside Blue
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-Underside Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (37 countries). 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.