Arctic barrel-bubble vs Eurasian beaver

Retusa obtusa compared with Castor fiber

Key Differences

• Arctic barrel-bubble is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Arctic barrel-bubble	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Cephalaspidea (Cephalaspidea)	Rodentia (Rodents)
Family	Retusidae	Castoridae (Beavers)
Genus	Retusa	Castor (Beavers)
Species	Retusa obtusa	Castor fiber

Evolutionary Relationship

Arctic barrel-bubble and Eurasian beaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Arctic barrel-bubble	Eurasian beaver
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.

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden