Black roughscale catshark vs Lesser Siren

Apristurus melanoasper compared with Siren intermedia

Taxonomic Classification

Rank	Black roughscale catshark	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Amphibia (Amphibians)
Order	Carcharhiniformes (Ground Sharks)	Caudata (Caudata)
Family	Scyliorhinidae	Sirenidae
Genus	Apristurus	Siren
Species	Apristurus melanoasper	Siren intermedia

Evolutionary Relationship

Black roughscale catshark and Lesser Siren share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black roughscale catshark

LC — Least Concern

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Black roughscale catshark	Lesser Siren
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.

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.

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.