Humpback Western dogfish vs Taiwan spurdog

Squalus quasimodo compared with Squalus formosus

Key Differences

• Humpback Western dogfish is Data Deficient while Taiwan spurdog is Endangered.

Taxonomic Classification

Rank	Humpback Western dogfish	Taiwan spurdog
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (돔발상어목)	Squaliformes (돔발상어목)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus quasimodo	Squalus formosus

Evolutionary Relationship

Humpback Western dogfish and Taiwan spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Humpback Western dogfish

DD — Data Deficient

Taiwan spurdog

EN — Endangered

Physical Characteristics

Attribute	Humpback Western dogfish	Taiwan spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Humpback Western dogfish

Taiwan 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.