Black roughscale catshark vs Gem

Apristurus melanoasper compared with Orthonama obstipata

Key Differences

• Black roughscale catshark is Least Concern while Gem is Not Evaluated.

Taxonomic Classification

Rank	Black roughscale catshark	Gem
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	Geometridae
Genus	Apristurus	Orthonama
Species	Apristurus melanoasper	Orthonama obstipata

Evolutionary Relationship

Black roughscale catshark and Gem share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black roughscale catshark

LC — Least Concern

Gem

NE — Not Evaluated

Physical Characteristics

Attribute	Black roughscale catshark	Gem
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.

Gem

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (Cabo Verde, Congo (DRC), South Africa), Asia (Taiwan), Europe (4 countries), and North America (Canada, United States).

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.