Atlantic Ancula vs roker

Ancula gibbosa compared with Raja clavata

Key Differences

• Atlantic Ancula is Least Concern while roker is Near Threatened.

Taxonomic Classification

Rank	Atlantic Ancula	roker
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Elasmobranchii
Order	Nudibranchia (Nudibranchia)	Rajiformes (Rajiformes)
Family	Goniodorididae	Rajidae
Genus	Ancula	Raja
Species	Ancula gibbosa	Raja clavata

Evolutionary Relationship

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

Conservation Status

Atlantic Ancula

LC — Least Concern

roker

NT — Near Threatened

Physical Characteristics

Attribute	Atlantic Ancula	roker
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.

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden