Arctic barrel-bubble vs Cardinal Click Beetle

Retusa obtusa compared with Ampedus cardinalis

Key Differences

• Arctic barrel-bubble is Least Concern while Cardinal Click Beetle is Critically Endangered.

Taxonomic Classification

Rank	Arctic barrel-bubble	Cardinal Click Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Cephalaspidea (Cephalaspidea)	Coleoptera (Beetles)
Family	Retusidae	Elateridae
Genus	Retusa	Ampedus
Species	Retusa obtusa	Ampedus cardinalis

Evolutionary Relationship

Arctic barrel-bubble and Cardinal Click Beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Cardinal Click Beetle

CR — Critically Endangered

Physical Characteristics

Attribute	Arctic barrel-bubble	Cardinal Click Beetle
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.

Cardinal Click Beetle

Habitat

Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Range

Distributed across Denmark, Norway, Sweden, and Switzerland. Currently classified as Critically 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.

Cardinal Click Beetle

The Cardinal Click Beetle (Ampedus cardinalis) is a species in the genus Ampedus. It is currently classified as Critically Endangered (CR) on the IUCN Red List. Inhabits temperate coniferous forests within the Palearctic biogeographic realm.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden