Arctic lemming vs Medusa Brittlestem

Dicrostonyx torquatus compared with Psathyrella caput-medusae

Key Differences

• Arctic lemming is Least Concern while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Arctic lemming	Medusa Brittlestem
Kingdom	Animalia (สัตว์)	Fungi (เห็ดรา)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Basidiomycota (Club Fungi)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Agaricomycetes (Mushrooms)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Agaricales (Gilled Mushrooms)
Family	Cricetidae	Psathyrellaceae
Genus	Dicrostonyx	Psathyrella
Species	Dicrostonyx torquatus	Psathyrella caput-medusae

Conservation Status

Arctic lemming

LC — Least Concern

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Arctic lemming	Medusa Brittlestem
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Medusa Brittlestem

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. 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.