Blacktail spurdog vs Cacao-bagre

Squalus melanurus compared with Squalus megalops

Key Differences

• Blacktail spurdog is Data Deficient while Cacao-bagre is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Cacao-bagre
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Squaliformes)	Squaliformes (Squaliformes)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus melanurus	Squalus megalops

Evolutionary Relationship

Blacktail spurdog and Cacao-bagre share a common ancestor at the Genus level: Squalus.

Conservation Status

Blacktail spurdog

DD — Data Deficient

Cacao-bagre

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Cacao-bagre
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.