Black roughscale catshark vs

Apristurus melanoasper compared with Nitzschia bergii

Key Differences

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

Taxonomic Classification

Rank	Black roughscale catshark
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Chondrichthyes (Cartilaginous Fish)	Bacillariophyceae (Bacillariophyceae)
Order	Carcharhiniformes (Ground Sharks)	Bacillariales (Bacillariales)
Family	Scyliorhinidae	Bacillariaceae
Genus	Apristurus	Nitzschia
Species	Apristurus melanoasper	Nitzschia bergii

Conservation Status

Black roughscale catshark

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Black roughscale catshark
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Portugal and Sweden.

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.

Nitzschia bergii is a freshwater diatom in the family Bacillariaceae, distinguished by its elongated, narrow valve with a distinctive marginal keel. It is found in benthic communities of rivers and lakes, often associated with slightly enriched conditions.