Blue Dog vs Edmund's spurdog

Squalus acanthias compared with Squalus edmundsi

Key Differences

• Blue Dog is Endangered while Edmund's spurdog is Near Threatened.

Taxonomic Classification

Rank	Blue Dog	Edmund's spurdog
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (อันดับปลาฉลามหลังหนาม)	Squaliformes (อันดับปลาฉลามหลังหนาม)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus acanthias	Squalus edmundsi

Evolutionary Relationship

Blue Dog and Edmund's spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Blue Dog

EN — Endangered

Edmund's spurdog

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dog	Edmund's spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Edmund's spurdog

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.