Aiguillat à queue noire vs Fatspine spurdog

Squalus melanurus compared with Squalus crassispinus

Key Differences

• Aiguillat à queue noire is Data Deficient while Fatspine spurdog is Least Concern.

Taxonomic Classification

Rank	Aiguillat à queue noire	Fatspine spurdog
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Elasmobranchii	Elasmobranchii
Order same	Squaliformes (Squaliformes)	Squaliformes (Squaliformes)
Family same	Squalidae	Squalidae
Genus same	Squalus	Squalus
Species	Squalus melanurus	Squalus crassispinus

Evolutionary Relationship

Aiguillat à queue noire and Fatspine spurdog share a common ancestor at the Genus level: Squalus.

Conservation Status

Aiguillat à queue noire

DD — Data Deficient

Fatspine spurdog

LC — Least Concern

Physical Characteristics

Attribute	Aiguillat à queue noire	Fatspine spurdog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Aiguillat à queue noire

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.