Blacktail spurdog vs Humpback Western dogfish

Squalus melanurus compared with Squalus quasimodo

Taxonomic Classification

Rank	Blacktail spurdog	Humpback Western 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 melanurus	Squalus quasimodo

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Humpback Western dogfish

DD — Data Deficient

Physical Characteristics

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

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.