Arctic lemming vs smooth giant clam

Dicrostonyx torquatus compared with Tridacna derasa

Key Differences

• Arctic lemming is Least Concern while smooth giant clam is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	smooth giant clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Cardiida (Cardiida)
Family	Cricetidae	Cardiidae
Genus	Dicrostonyx	Tridacna
Species	Dicrostonyx torquatus	Tridacna derasa

Evolutionary Relationship

Arctic lemming and smooth giant clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic lemming

LC — Least Concern

smooth giant clam

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	smooth giant clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

smooth giant clam

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Marshall Islands and 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.