Black roughscale catshark vs Elm leafminer

Apristurus melanoasper compared with Fenusa ulmi

Key Differences

• Black roughscale catshark is Least Concern while Elm leafminer is Near Threatened.

Taxonomic Classification

Rank	Black roughscale catshark	Elm leafminer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Hymenoptera (Ants, Bees & Wasps)
Family	Scyliorhinidae	Tenthredinidae
Genus	Apristurus	Fenusa
Species	Apristurus melanoasper	Fenusa ulmi

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Elm leafminer

NT — Near Threatened

Physical Characteristics

Attribute	Black roughscale catshark	Elm leafminer
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 leafminer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada, Denmark, Norway, Sweden, and United States. 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.