Arctic lemming vs Black roughscale catshark

Dicrostonyx torquatus compared with Apristurus melanoasper

Taxonomic Classification

Rank	Arctic lemming	Black roughscale catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Rodentia (Rodents)	Carcharhiniformes (Ground Sharks)
Family	Cricetidae	Scyliorhinidae
Genus	Dicrostonyx	Apristurus
Species	Dicrostonyx torquatus	Apristurus melanoasper

Evolutionary Relationship

Arctic lemming and Black roughscale catshark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Black roughscale catshark

LC — Least Concern

Physical Characteristics

Attribute	Arctic lemming	Black roughscale catshark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black roughscale catshark

Habitat

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

Arctic lemming

The Arctic lemming (Dicrostonyx torquatus) is a species in the genus Dicrostonyx. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.