Atlantic lobefin dogfish vs Blue Dog

Squalus lobularis compared with Squalus acanthias

Key Differences

• Atlantic lobefin dogfish is Data Deficient while Blue Dog is Endangered.

Taxonomic Classification

Rank	Atlantic lobefin dogfish	Blue Dog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Squaliformes)	Squaliformes (Squaliformes)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus lobularis	Squalus acanthias

Evolutionary Relationship

Atlantic lobefin dogfish and Blue Dog share a common ancestor at the Genus level: Squalus.

Conservation Status

Atlantic lobefin dogfish

DD — Data Deficient

Blue Dog

EN — Endangered

Physical Characteristics

Attribute	Atlantic lobefin dogfish	Blue Dog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic lobefin dogfish

Blue Dog

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

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

Atlantic lobefin dogfish

The Atlantic lobefin dogfish (Squalus lobularis) is a species in the genus Squalus. Its conservation status is listed as Data Deficient on the IUCN Red List.

Blue Dog

The Blue Dog (Squalus acanthias) is a species in the genus Squalus. It is currently classified as Endangered on the IUCN Red List. 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.