Black roughscale catshark vs Four-Lined Silverfish

Apristurus melanoasper compared with Ctenolepisma lineata

Key Differences

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

Taxonomic Classification

Rank	Black roughscale catshark	Four-Lined 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 lineata

Evolutionary Relationship

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

Conservation Status

Black roughscale catshark

LC — Least Concern

Four-Lined Silverfish

NE — Not Evaluated

Physical Characteristics

Attribute	Black roughscale catshark	Four-Lined 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.

Four-Lined Silverfish

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, Portugal, 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.