Black roughscale catshark vs Dwarf round ray

Apristurus melanoasper compared with Urotrygon nana

Key Differences

• Black roughscale catshark is Least Concern while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Black roughscale catshark	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Elasmobranchii
Order	Carcharhiniformes (Ground Sharks)	Myliobatiformes (Myliobatiformes)
Family	Scyliorhinidae	Urotrygonidae
Genus	Apristurus	Urotrygon
Species	Apristurus melanoasper	Urotrygon nana

Evolutionary Relationship

Black roughscale catshark and Dwarf round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black roughscale catshark

LC — Least Concern

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Black roughscale catshark	Dwarf round ray
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.

Dwarf round ray

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.