Arctic barrel-bubble vs beaded chestnut

Retusa obtusa compared with Agrochola lychnidis

Key Differences

• Arctic barrel-bubble is Least Concern while beaded chestnut is Near Threatened.

Taxonomic Classification

Rank	Arctic barrel-bubble	beaded chestnut
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Cephalaspidea (Cephalaspidea)	Lepidoptera (Butterflies & Moths)
Family	Retusidae	Noctuidae
Genus	Retusa	Agrochola
Species	Retusa obtusa	Agrochola lychnidis

Evolutionary Relationship

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

Conservation Status

Arctic barrel-bubble

LC — Least Concern

beaded chestnut

NT — Near Threatened

Physical Characteristics

Attribute	Arctic barrel-bubble	beaded chestnut
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.

beaded chestnut

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

beaded chestnut

The Beaded chestnut (Agrochola lychnidis) is a species in the genus Agrochola. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

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