Black roughscale catshark vs Silverfish

Apristurus melanoasper compared with Ctenolepisma longicaudatum

Key Differences

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

Taxonomic Classification

Rank	Black roughscale catshark	Silverfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Chondrichthyes (Cartilaginous Fish)	Insecta (Insects)
Order	Carcharhiniformes (Ground Sharks)	Zygentoma (Zygentoma)
Family	Scyliorhinidae	Lepismatidae
Genus	Apristurus	Ctenolepisma
Species	Apristurus melanoasper	Ctenolepisma longicaudatum

Evolutionary Relationship

Black roughscale catshark and Silverfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black roughscale catshark

LC — Least Concern

Silverfish

NE — Not Evaluated

Physical Characteristics

Attribute	Black roughscale catshark	Silverfish
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.

Silverfish

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Asia (Cyprus, Taiwan), Europe (11 countries), and North America (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.