Arctic lemming vs Dog fish

Dicrostonyx torquatus compared with Haploblepharus edwardsii

Key Differences

• Arctic lemming is Least Concern while Dog fish is Endangered.

Taxonomic Classification

Rank	Arctic lemming	Dog fish
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Chondrichthyes (軟骨魚綱)
Order	Rodentia (ネズミ目)	Carcharhiniformes (メジロザメ目)
Family	Cricetidae	Scyliorhinidae
Genus	Dicrostonyx	Haploblepharus
Species	Dicrostonyx torquatus	Haploblepharus edwardsii

Evolutionary Relationship

Arctic lemming and Dog fish share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Arctic lemming

LC — Least Concern

Dog fish

EN — Endangered

Physical Characteristics

Attribute	Arctic lemming	Dog fish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Dog fish

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.