Arctic lemming vs brook lamprey

Dicrostonyx torquatus compared with Lampetra planeri

Key Differences

• Arctic lemming is Least Concern while brook lamprey is Vulnerable.

Taxonomic Classification

Rank	Arctic lemming	brook lamprey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Petromyzonti (Petromyzonti)
Order	Rodentia (Rodents)	Petromyzontiformes (lamprey)
Family	Cricetidae	Petromyzontidae
Genus	Dicrostonyx	Lampetra
Species	Dicrostonyx torquatus	Lampetra planeri

Evolutionary Relationship

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

Conservation Status

Arctic lemming

LC — Least Concern

brook lamprey

VU — Vulnerable

Physical Characteristics

Attribute	Arctic lemming	brook lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

brook lamprey

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.

brook lamprey

The Brook Lamprey (Lampetra planeri) is a species in the genus Lampetra. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.