Fatspine spurdog vs Kermadec spiny dogfish

Squalus crassispinus compared with Squalus raoulensis

Taxonomic Classification

Rank	Fatspine spurdog	Kermadec spiny dogfish
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Dornhaiartige)	Squaliformes (Dornhaiartige)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus crassispinus	Squalus raoulensis

Evolutionary Relationship

Fatspine spurdog and Kermadec spiny dogfish share a common ancestor at the Genus level: Squalus.

Conservation Status

Fatspine spurdog

LC — Least Concern

Kermadec spiny dogfish

LC — Least Concern

Physical Characteristics

Attribute	Fatspine spurdog	Kermadec spiny dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—