Black roughscale catshark vs Elm midget

Apristurus melanoasper compared with Phyllonorycter tristrigella

Key Differences

• Black roughscale catshark is Least Concern while Elm midget is Endangered.

Taxonomic Classification

Rank	Black roughscale catshark	Elm midget
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	Gracillariidae
Genus	Apristurus	Phyllonorycter
Species	Apristurus melanoasper	Phyllonorycter tristrigella

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Elm midget

EN — Endangered

Physical Characteristics

Attribute	Black roughscale catshark	Elm midget
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.

Elm midget

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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