aiguillat vs Western longnose spurdog

Squalus acanthias compared with Squalus nasutus

Key Differences

• aiguillat is Endangered while Western longnose spurdog is Near Threatened.

Taxonomic Classification

Rank	aiguillat	Western longnose spurdog
Kingdom same	Animalia (animal)	Animalia (animal)
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 acanthias	Squalus nasutus

Evolutionary Relationship

aiguillat and Western longnose spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

aiguillat

EN — Endangered

Western longnose spurdog

NT — Near Threatened

Physical Characteristics

Attribute	aiguillat	Western longnose spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

aiguillat

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.

Western longnose spurdog

aiguillat

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.