Black roughscale catshark vs white chalice-bubble

Apristurus melanoasper compared with Cylichna alba

Key Differences

• Black roughscale catshark is Least Concern while white chalice-bubble is Not Evaluated.

Taxonomic Classification

Rank	Black roughscale catshark	white chalice-bubble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Chondrichthyes (Cartilaginous Fish)	Gastropoda (Gastropoda)
Order	Carcharhiniformes (Ground Sharks)	Cephalaspidea (Cephalaspidea)
Family	Scyliorhinidae	Cylichnidae
Genus	Apristurus	Cylichna
Species	Apristurus melanoasper	Cylichna alba

Evolutionary Relationship

Black roughscale catshark and white chalice-bubble share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black roughscale catshark

LC — Least Concern

white chalice-bubble

NE — Not Evaluated

Physical Characteristics

Attribute	Black roughscale catshark	white chalice-bubble
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.

white chalice-bubble

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Norway, Sweden, and United States.

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.