Arctic lemming vs Atlantic sharpnose shark

Dicrostonyx torquatus compared with Rhizoprionodon porosus

Key Differences

• Arctic lemming is Least Concern while Atlantic sharpnose shark is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Atlantic sharpnose 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 porosus

Evolutionary Relationship

Arctic lemming and Atlantic sharpnose shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Atlantic sharpnose shark

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	Atlantic sharpnose shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Atlantic sharpnose 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.

Atlantic sharpnose shark

The Atlantic sharpnose shark (Rhizoprionodon porosus) is a species in the genus Rhizoprionodon. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.