Arctic lemming vs Bigeye dogfish

Dicrostonyx torquatus compared with Squalus blainville

Key Differences

• Arctic lemming is Least Concern while Bigeye dogfish is Data Deficient.

Taxonomic Classification

Rank	Arctic lemming	Bigeye dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Squaliformes (Squaliformes)
Family	Cricetidae	Squalidae
Genus	Dicrostonyx	Squalus
Species	Dicrostonyx torquatus	Squalus blainville

Evolutionary Relationship

Arctic lemming and Bigeye dogfish share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Arctic lemming

LC — Least Concern

Bigeye dogfish

DD — Data Deficient

Physical Characteristics

Attribute	Arctic lemming	Bigeye dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bigeye dogfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

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.

Bigeye dogfish

The Bigeye dogfish (Squalus blainville) is a species in the genus Squalus. Native to South America, inhabiting ecosystems characteristic of the region.