Hammerhead vs Hourglass Dolphin

Sphyrna corona compared with Lagenorhynchus cruciger

Key Differences

• Hammerhead is Critically Endangered while Hourglass Dolphin is Least Concern.

Taxonomic Classification

Rank	Hammerhead	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	Sphyrnidae (Hammerhead Sharks)	Delphinidae (Oceanic Dolphins)
Genus	Sphyrna (Hammerhead Sharks)	Lagenorhynchus
Species	Sphyrna corona	Lagenorhynchus cruciger

Evolutionary Relationship

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

Conservation Status

Hammerhead

CR — Critically Endangered

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Hammerhead	Hourglass Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hammerhead

Habitat

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

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.