Arctic lemming vs Arrowspine dogfish

Dicrostonyx torquatus compared with Centrophorus moluccensis

Key Differences

• Arctic lemming is Least Concern while Arrowspine dogfish is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	Arrowspine dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Squaliformes (Squaliformes)
Family	Cricetidae	Centrophoridae
Genus	Dicrostonyx	Centrophorus
Species	Dicrostonyx torquatus	Centrophorus moluccensis

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

Arrowspine dogfish

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arrowspine dogfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Arrowspine dogfish

The Arrowspine dogfish, Centrophorus moluccensis, is a species. It is currently assessed as vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.