Atlantic Ancula vs Mottled Marble

Ancula gibbosa compared with Bactra furfurana

Key Differences

• Atlantic Ancula is Least Concern while Mottled Marble is Near Threatened.

Taxonomic Classification

Rank	Atlantic Ancula	Mottled Marble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Insecta (Insects)
Order	Nudibranchia (Nudibranchia)	Lepidoptera (Butterflies & Moths)
Family	Goniodorididae	Tortricidae
Genus	Ancula	Bactra
Species	Ancula gibbosa	Bactra furfurana

Evolutionary Relationship

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

Conservation Status

Atlantic Ancula

LC — Least Concern

Mottled Marble

NT — Near Threatened

Physical Characteristics

Attribute	Atlantic Ancula	Mottled Marble
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.

Mottled Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (Canada, United States). 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