Atlantic Ancula vs Blacktail spurdog

Ancula gibbosa compared with Squalus melanurus

Key Differences

• Atlantic Ancula is Least Concern while Blacktail spurdog is Data Deficient.

Taxonomic Classification

Rank	Atlantic Ancula	Blacktail spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Elasmobranchii
Order	Nudibranchia (Nudibranchia)	Squaliformes (Squaliformes)
Family	Goniodorididae	Squalidae
Genus	Ancula	Squalus
Species	Ancula gibbosa	Squalus melanurus

Evolutionary Relationship

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

Conservation Status

Atlantic Ancula

LC — Least Concern

Blacktail spurdog

DD — Data Deficient

Physical Characteristics

Attribute	Atlantic Ancula	Blacktail spurdog
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.

Blacktail spurdog

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.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.