Aiguillat à queue noire vs Shortnose dogfish

Squalus melanurus compared with Squalus brevirostris

Key Differences

• Aiguillat à queue noire is Data Deficient while Shortnose dogfish is Endangered.

Taxonomic Classification

Rank	Aiguillat à queue noire	Shortnose dogfish
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 brevirostris

Evolutionary Relationship

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

Conservation Status

Aiguillat à queue noire

DD — Data Deficient

Shortnose dogfish

EN — Endangered

Physical Characteristics

Attribute	Aiguillat à queue noire	Shortnose dogfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aiguillat à queue noire

Shortnose dogfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.