Atlantic Ancula vs River Thread-moss

Ancula gibbosa compared with Bryum riparium

Key Differences

• Atlantic Ancula is Least Concern while River Thread-moss is Vulnerable.

Taxonomic Classification

Rank	Atlantic Ancula	River Thread-moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Bryophyta
Class	Gastropoda (Gastropoda)	Bryopsida (Bryopsida)
Order	Nudibranchia (Nudibranchia)	Bryales (Bryales)
Family	Goniodorididae	Bryaceae
Genus	Ancula	Bryum
Species	Ancula gibbosa	Bryum riparium

Conservation Status

Atlantic Ancula

LC — Least Concern

River Thread-moss

VU — Vulnerable

Physical Characteristics

Attribute	Atlantic Ancula	River Thread-moss
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.

River Thread-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden