Atlantic Ancula vs Elm Leech

Ancula gibbosa compared with Hypsizygus ulmarius

Key Differences

• Atlantic Ancula is Least Concern while Elm Leech is Critically Endangered.

Taxonomic Classification

Rank	Atlantic Ancula	Elm Leech
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Mollusca (Mollusks)	Basidiomycota (Club Fungi)
Class	Gastropoda (Gastropoda)	Agaricomycetes (Mushrooms)
Order	Nudibranchia (Nudibranchia)	Agaricales (Gilled Mushrooms)
Family	Goniodorididae	Lyophyllaceae
Genus	Ancula	Hypsizygus
Species	Ancula gibbosa	Hypsizygus ulmarius

Conservation Status

Atlantic Ancula

LC — Least Concern

Elm Leech

CR — Critically Endangered

Physical Characteristics

Attribute	Atlantic Ancula	Elm Leech
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.

Elm Leech

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Critically Endangered 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden