Arctic lemming vs silky shark

Dicrostonyx torquatus compared with Carcharhinus falciformis

Key Differences

• Arctic lemming is Least Concern while silky shark is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	silky 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	Carcharhinus
Species	Dicrostonyx torquatus	Carcharhinus falciformis

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

silky shark

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	silky shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

silky shark

Habitat

Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Algeria, Taiwan, Tunisia, and Venezuela. 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.