Fatspine spurdog vs shortnose spurdog

Squalus crassispinus compared with Squalus megalops

Taxonomic Classification

Rank	Fatspine spurdog	shortnose 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 crassispinus	Squalus megalops

Evolutionary Relationship

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

Conservation Status

Fatspine spurdog

LC — Least Concern

shortnose spurdog

LC — Least Concern

Physical Characteristics

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