Blacktail spurdog vs Hourglass Dolphin

Squalus melanurus compared with Lagenorhynchus cruciger

Key Differences

• Blacktail spurdog is Data Deficient while Hourglass Dolphin is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Hourglass Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Cetacea (Whales & Dolphins)
Family	Squalidae	Delphinidae (Oceanic Dolphins)
Genus	Squalus	Lagenorhynchus
Species	Squalus melanurus	Lagenorhynchus cruciger

Evolutionary Relationship

Blacktail spurdog and Hourglass Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Hourglass Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.