Broadgill Catshark vs Four-Lined Silverfish

Apristurus riveri compared with Ctenolepisma lineata

Key Differences

• Broadgill Catshark is Least Concern while Four-Lined Silverfish is Not Evaluated.

Taxonomic Classification

Rank	Broadgill 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 riveri	Ctenolepisma lineata

Evolutionary Relationship

Broadgill Catshark and Four-Lined Silverfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Broadgill Catshark

LC — Least Concern

Four-Lined Silverfish

NE — Not Evaluated

Physical Characteristics

Attribute	Broadgill Catshark	Four-Lined Silverfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broadgill Catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Venezuela.

Four-Lined Silverfish

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, Portugal, Sweden, and United States.

Broadgill Catshark

The Broadgill Catshark (Apristurus riveri) 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.