Atlantic Smooth Dogfish vs Hourglass Dolphin

Mustelus canis compared with Lagenorhynchus cruciger

Key Differences

• Atlantic Smooth Dogfish is Near Threatened while Hourglass Dolphin is Least Concern.

Taxonomic Classification

Rank	Atlantic Smooth Dogfish	Hourglass Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Cetacea (Whales & Dolphins)
Family	Triakidae	Delphinidae (Oceanic Dolphins)
Genus	Mustelus	Lagenorhynchus
Species	Mustelus canis	Lagenorhynchus cruciger

Evolutionary Relationship

Atlantic Smooth Dogfish and Hourglass Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Smooth Dogfish

NT — Near Threatened

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Smooth Dogfish	Hourglass Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Smooth Dogfish

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Atlantic Smooth Dogfish

The Atlantic Smooth Dogfish (Mustelus canis) is a species in the genus Mustelus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.