Hiretaka-tsunozame vs Western longnose spurdog

Squalus formosus compared with Squalus nasutus

Key Differences

• Hiretaka-tsunozame is Endangered while Western longnose spurdog is Near Threatened.

Taxonomic Classification

Rank	Hiretaka-tsunozame	Western longnose spurdog
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (ツノザメ目)	Squaliformes (ツノザメ目)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus formosus	Squalus nasutus

Evolutionary Relationship

Hiretaka-tsunozame and Western longnose spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Hiretaka-tsunozame

EN — Endangered

Western longnose spurdog

NT — Near Threatened

Physical Characteristics

Attribute	Hiretaka-tsunozame	Western longnose spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hiretaka-tsunozame

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.

Western longnose spurdog