Blacktail spurdog vs Eastern longnose spurdog

Squalus melanurus compared with Squalus grahami

Key Differences

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

Taxonomic Classification

Rank	Blacktail spurdog	Eastern longnose spurdog
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Squaliformes)	Squaliformes (Squaliformes)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus melanurus	Squalus grahami

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Eastern longnose spurdog

NT — Near Threatened

Physical Characteristics

Attribute	Blacktail spurdog	Eastern 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.