Atlantic Ancula vs Downy Emerald

Ancula gibbosa compared with Cordulia aenea

Taxonomic Classification

Rank	Atlantic Ancula	Downy Emerald
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Nudibranchia (Nudibranchia)	Odonata (Odonata)
Family	Goniodorididae	Corduliidae
Genus	Ancula	Cordulia
Species	Ancula gibbosa	Cordulia aenea

Evolutionary Relationship

Atlantic Ancula and Downy Emerald share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Ancula

LC — Least Concern

Downy Emerald

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Ancula	Downy Emerald
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Ancula

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.

Downy Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

Atlantic Ancula

The Atlantic Ancula (Ancula gibbosa) is a species in the genus Ancula. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Downy Emerald

Downy Emerald (Cordulia aenea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden