Arctic lemming vs Green Silver-Spangled Shark

Dicrostonyx torquatus compared with Cucullia argentea

Key Differences

• Arctic lemming is Least Concern while Green Silver-Spangled Shark is Critically Endangered.

Taxonomic Classification

Rank	Arctic lemming	Green Silver-Spangled Shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Noctuidae
Genus	Dicrostonyx	Cucullia
Species	Dicrostonyx torquatus	Cucullia argentea

Evolutionary Relationship

Arctic lemming and Green Silver-Spangled Shark share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic lemming

LC — Least Concern

Green Silver-Spangled Shark

CR — Critically Endangered

Physical Characteristics

Attribute	Arctic lemming	Green Silver-Spangled Shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Green Silver-Spangled Shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Sweden, and Ukraine. Currently classified as Critically 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.