Bigtooth river stingray vs Black roughscale catshark

Potamotrygon henlei compared with Apristurus melanoasper

Taxonomic Classification

Rank	Bigtooth river stingray	Black roughscale catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Chondrichthyes (Cartilaginous Fish)
Order	Myliobatiformes (Myliobatiformes)	Carcharhiniformes (Ground Sharks)
Family	Potamotrygonidae	Scyliorhinidae
Genus	Potamotrygon	Apristurus
Species	Potamotrygon henlei	Apristurus melanoasper

Evolutionary Relationship

Bigtooth river stingray and Black roughscale catshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bigtooth river stingray

LC — Least Concern

Black roughscale catshark

LC — Least Concern

Physical Characteristics

Attribute	Bigtooth river stingray	Black roughscale catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigtooth river stingray

Black roughscale catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Bigtooth river stingray

The Bigtooth river stingray (Potamotrygon henlei) is a species in the genus Potamotrygon. It is currently classified as Least Concern on the IUCN Red List.

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.