Black roughscale catshark vs Hover fly

Apristurus melanoasper compared with Eristalis rupium

Key Differences

• Black roughscale catshark is Least Concern while Hover fly is Near Threatened.

Taxonomic Classification

Rank	Black roughscale catshark	Hover fly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Diptera (Diptera)
Family	Scyliorhinidae	Syrphidae
Genus	Apristurus	Eristalis
Species	Apristurus melanoasper	Eristalis rupium

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Hover fly

NT — Near Threatened

Physical Characteristics

Attribute	Black roughscale catshark	Hover fly
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.

Hover fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, 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.