Blacktail spurdog vs Tsumari-tsuno zame

Squalus melanurus compared with Squalus megalops

Key Differences

• Blacktail spurdog is Data Deficient while Tsumari-tsuno zame is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Tsumari-tsuno zame
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (ツノザメ目)	Squaliformes (ツノザメ目)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus melanurus	Squalus megalops

Evolutionary Relationship

Blacktail spurdog and Tsumari-tsuno zame share a common ancestor at the Genus level: Squalus.

Conservation Status

Blacktail spurdog

DD — Data Deficient

Tsumari-tsuno zame

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Tsumari-tsuno zame
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.