Arctic barrel-bubble vs Hotson’s Brush-tailed Mouse

Retusa obtusa compared with Calomyscus hotsoni

Taxonomic Classification

Rank	Arctic barrel-bubble	Hotson’s Brush-tailed Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Cephalaspidea (Cephalaspidea)	Rodentia (Rodents)
Family	Retusidae	Calomyscidae
Genus	Retusa	Calomyscus
Species	Retusa obtusa	Calomyscus hotsoni

Evolutionary Relationship

Arctic barrel-bubble and Hotson’s Brush-tailed Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Hotson’s Brush-tailed Mouse

LC — Least Concern

Physical Characteristics

Attribute	Arctic barrel-bubble	Hotson’s Brush-tailed Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic barrel-bubble

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Hotson’s Brush-tailed Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arctic barrel-bubble

The Arctic barrel-bubble (Retusa obtusa) is a species in the genus Retusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.