Atlantic Dolphin vs Hammerhead

Delphinus delphis compared with Sphyrna corona

Key Differences

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

Taxonomic Classification

Rank	Atlantic Dolphin	Hammerhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Cetacea (Whales & Dolphins)	Carcharhiniformes (Ground Sharks)
Family	Delphinidae (Oceanic Dolphins)	Sphyrnidae (Hammerhead Sharks)
Genus	Delphinus	Sphyrna (Hammerhead Sharks)
Species	Delphinus delphis	Sphyrna corona

Evolutionary Relationship

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

Conservation Status

Atlantic Dolphin

LC — Least Concern

Hammerhead

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Atlantic Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Hammerhead

Habitat

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

Atlantic Dolphin

Atlantic Dolphin (Delphinus delphis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.