Black roughscale catshark vs

Apristurus melanoasper compared with Stephanoeca kentii

Key Differences

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

Taxonomic Classification

Rank	Black roughscale catshark
Kingdom	Animalia (Animals)	Protozoa (protozoa)
Phylum	Chordata (Chordates)	Choanozoa (Choanozoa)
Class	Chondrichthyes (Cartilaginous Fish)	Choanoflagellatea (Choanoflagellatea)
Order	Carcharhiniformes (Ground Sharks)	Choanoflagellida (Choanoflagellida)
Family	Scyliorhinidae	Acanthoecidae
Genus	Apristurus	Stephanoeca
Species	Apristurus melanoasper	Stephanoeca kentii

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 Norway 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.

Stephanoeca kentii is a loricate choanoflagellate, a marine unicellular organism that constructs a delicate basket-like structure (lorica) of siliceous strips surrounding its cell. It inhabits coastal and oceanic waters where it feeds on picoplankton bacteria. Choanoflagellates like this species are of scientific interest as the closest living unicellular relatives of animals.