Bartail spurdog vs Fatspine spurdog

Squalus notocaudatus compared with Squalus crassispinus

Taxonomic Classification

Rank	Bartail spurdog	Fatspine spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
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 notocaudatus	Squalus crassispinus

Evolutionary Relationship

Bartail spurdog and Fatspine spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Bartail spurdog

LC — Least Concern

Fatspine spurdog

LC — Least Concern

Physical Characteristics

Attribute	Bartail spurdog	Fatspine spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.