Arctic barrel-bubble vs Lesser Pencil-tailed Tree Mouse

Retusa obtusa compared with Chiropodomys pusillus

Key Differences

• Arctic barrel-bubble is Least Concern while Lesser Pencil-tailed Tree Mouse is Data Deficient.

Taxonomic Classification

Rank	Arctic barrel-bubble	Lesser Pencil-tailed Tree Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Cephalaspidea (Cephalaspidea)	Rodentia (Rodents)
Family	Retusidae	Muridae (Mice & Rats)
Genus	Retusa	Chiropodomys
Species	Retusa obtusa	Chiropodomys pusillus

Evolutionary Relationship

Arctic barrel-bubble and Lesser Pencil-tailed Tree Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Lesser Pencil-tailed Tree Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Arctic barrel-bubble	Lesser Pencil-tailed Tree 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.

Lesser Pencil-tailed Tree 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.