Black roughscale catshark vs Diatom

Apristurus melanoasper compared with Coscinodiscus wailesii

Key Differences

• Black roughscale catshark is Least Concern while Diatom is Not Evaluated.

Taxonomic Classification

Rank	Black roughscale catshark	Diatom
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Chondrichthyes (Cartilaginous Fish)	Bacillariophyceae (Bacillariophyceae)
Order	Carcharhiniformes (Ground Sharks)	Coscinodiscales (Coscinodiscales)
Family	Scyliorhinidae	Coscinodiscaceae
Genus	Apristurus	Coscinodiscus
Species	Apristurus melanoasper	Coscinodiscus wailesii

Conservation Status

Black roughscale catshark

LC — Least Concern

Diatom

NE — Not Evaluated

Physical Characteristics

Attribute	Black roughscale catshark	Diatom
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.

Diatom

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (10 countries), North America (Mexico, United States), and South America (Argentina, Brazil).

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.