Arctic lemming vs Pacific sharp-nosed shark

Dicrostonyx torquatus compared with Rhizoprionodon longurio

Key Differences

• Arctic lemming is Least Concern while Pacific sharp-nosed shark is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Pacific sharp-nosed shark
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	Carcharhinidae
Genus	Dicrostonyx	Rhizoprionodon
Species	Dicrostonyx torquatus	Rhizoprionodon longurio

Evolutionary Relationship

Arctic lemming and Pacific sharp-nosed shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Pacific sharp-nosed shark

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	Pacific sharp-nosed shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pacific sharp-nosed shark

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.