Humpback Western dogfish vs Togari-tsunozame

Squalus quasimodo compared with Squalus japonicus

Key Differences

• Humpback Western dogfish is Data Deficient while Togari-tsunozame is Endangered.

Taxonomic Classification

Rank	Humpback Western dogfish	Togari-tsunozame
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 quasimodo	Squalus japonicus

Evolutionary Relationship

Humpback Western dogfish and Togari-tsunozame share a common ancestor at the Genus level: Squalus.

Conservation Status

Humpback Western dogfish

DD — Data Deficient

Togari-tsunozame

EN — Endangered

Physical Characteristics

Attribute	Humpback Western dogfish	Togari-tsunozame
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Humpback Western dogfish

Togari-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.