Arctic barrel-bubble vs Giant Otter

Retusa obtusa compared with Pteronura brasiliensis

Key Differences

• Arctic barrel-bubble is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	Arctic barrel-bubble	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Cephalaspidea (Cephalaspidea)	Carnivora (Carnivorans)
Family	Retusidae	Mustelidae (Weasels & Otters)
Genus	Retusa	Pteronura
Species	Retusa obtusa	Pteronura brasiliensis

Evolutionary Relationship

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

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Arctic barrel-bubble	Giant Otter
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.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered 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.