Dornhai vs Greeneye spurdog

Squalus acanthias compared with Squalus chloroculus

Taxonomic Classification

Rank	Dornhai	Greeneye spurdog
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Dornhaiartige)	Squaliformes (Dornhaiartige)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus acanthias	Squalus chloroculus

Evolutionary Relationship

Dornhai and Greeneye spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Dornhai

EN — Endangered

Greeneye spurdog

EN — Endangered

Physical Characteristics

Attribute	Dornhai	Greeneye spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dornhai

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.

Greeneye spurdog

Dornhai

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.