Arctic lemming vs Taiwan spurdog

Dicrostonyx torquatus compared with Squalus formosus

Key Differences

• Arctic lemming is Least Concern while Taiwan spurdog is Endangered.

Taxonomic Classification

Rank	Arctic lemming	Taiwan spurdog
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 formosus

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

Taiwan spurdog

EN — Endangered

Physical Characteristics

Attribute	Arctic lemming	Taiwan spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Taiwan spurdog

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered 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.