Atlantic Dolphin vs Spinner Dolphin

Delphinus delphis compared with Stenella longirostris

Key Differences

• Atlantic Dolphin is Least Concern while Spinner Dolphin is Data Deficient.

Taxonomic Classification

Rank	Atlantic Dolphin	Spinner Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family same	Delphinidae (Oceanic Dolphins)	Delphinidae (Oceanic Dolphins)
Genus	Delphinus	Stenella
Species	Delphinus delphis	Stenella longirostris

Evolutionary Relationship

Atlantic Dolphin and Spinner Dolphin share a common ancestor at the Family level: Delphinidae. (Oceanic Dolphins)

Conservation Status

Atlantic Dolphin

LC — Least Concern

Spinner Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Atlantic Dolphin	Spinner Dolphin
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).

Spinner Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Norway, Taiwan, and Venezuela.

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.

Shared Countries

Both species can be found in 5 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇹🇼 Taiwan 🇻🇪 Venezuela