Black roughscale catshark vs

Apristurus melanoasper compared with Nitzschia angularis

Key Differences

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

Taxonomic Classification

Rank	Black roughscale catshark
Kingdom	Animalia (สัตว์)	Chromista (โครมิสตา)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Ochrophyta (Ochrophyta)
Class	Chondrichthyes (ปลากระดูกอ่อน)	Bacillariophyceae (Bacillariophyceae)
Order	Carcharhiniformes (อันดับปลาฉลามครีบดำ)	Bacillariales (Bacillariales)
Family	Scyliorhinidae	Bacillariaceae
Genus	Apristurus	Nitzschia
Species	Apristurus melanoasper	Nitzschia angularis

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 Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Sweden, and Taiwan.

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 angularis is an elongated, pennate freshwater diatom with angular poles and a distinctive raphe positioned along the keel of the frustule. It inhabits eutrophic to mesotrophic freshwater environments including rivers, ponds, and nutrient-enriched lakes. This photosynthetic diatom is associated with moderately enriched freshwater conditions.