Blacktail spurdog vs Western longnose spurdog

Squalus melanurus compared with Squalus nasutus

Key Differences

• Blacktail spurdog is Data Deficient while Western longnose spurdog is Near Threatened.

Taxonomic Classification

Rank	Blacktail spurdog	Western longnose spurdog
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 nasutus

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Western longnose spurdog

NT — Near Threatened

Physical Characteristics

Attribute	Blacktail spurdog	Western longnose spurdog
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.