Blainvilles dogfish vs Japanese spurdog

Squalus mitsukurii compared with Squalus japonicus

Taxonomic Classification

Rank	Blainvilles dogfish	Japanese 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 mitsukurii	Squalus japonicus

Evolutionary Relationship

Blainvilles dogfish and Japanese spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Blainvilles dogfish

EN — Endangered

Japanese spurdog

EN — Endangered

Physical Characteristics

Attribute	Blainvilles dogfish	Japanese spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blainvilles dogfish

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

Found in Chile. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Japanese spurdog

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Blainvilles dogfish

The Blainvilles dogfish (Squalus mitsukurii) 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.