Atlantic Ancula vs Humpback smooth hound

Ancula gibbosa compared with Mustelus whitneyi

Key Differences

• Atlantic Ancula is Least Concern while Humpback smooth hound is Critically Endangered.

Taxonomic Classification

Rank	Atlantic Ancula	Humpback smooth hound
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Chondrichthyes (Cartilaginous Fish)
Order	Nudibranchia (Nudibranchia)	Carcharhiniformes (Ground Sharks)
Family	Goniodorididae	Triakidae
Genus	Ancula	Mustelus
Species	Ancula gibbosa	Mustelus whitneyi

Evolutionary Relationship

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

Conservation Status

Atlantic Ancula

LC — Least Concern

Humpback smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Atlantic Ancula	Humpback smooth hound
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.

Humpback smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. 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.