Blacktail spurdog vs Northeastern Brazilian dogfish

Squalus melanurus compared with Squalus bahiensis

Taxonomic Classification

Rank	Blacktail spurdog	Northeastern Brazilian dogfish
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (돔발상어목)	Squaliformes (돔발상어목)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus melanurus	Squalus bahiensis

Evolutionary Relationship

Blacktail spurdog and Northeastern Brazilian dogfish share a common ancestor at the Genus level: Squalus.

Conservation Status

Blacktail spurdog

DD — Data Deficient

Northeastern Brazilian dogfish

DD — Data Deficient

Physical Characteristics

Attribute	Blacktail spurdog	Northeastern Brazilian 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.