Aiguillat à grosse tête vs Taiwan spurdog

Squalus bucephalus compared with Squalus formosus

Key Differences

• Aiguillat à grosse tête is Data Deficient while Taiwan spurdog is Endangered.

Taxonomic Classification

Rank	Aiguillat à grosse tête	Taiwan spurdog
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Squaliformes)	Squaliformes (Squaliformes)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus bucephalus	Squalus formosus

Evolutionary Relationship

Aiguillat à grosse tête and Taiwan spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Aiguillat à grosse tête

DD — Data Deficient

Taiwan spurdog

EN — Endangered

Physical Characteristics

Attribute	Aiguillat à grosse tête	Taiwan spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aiguillat à grosse tête

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.

Aiguillat à grosse tête

The Bighead spurdog (Squalus bucephalus) is a species in the genus Squalus.