Atlantic Dolphin vs Irrawaddy dolphin

Delphinus delphis compared with Orcaella brevirostris

Key Differences

• Atlantic Dolphin is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Atlantic Dolphin	Irrawaddy 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	Orcaella
Species	Delphinus delphis	Orcaella brevirostris

Evolutionary Relationship

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

Conservation Status

Atlantic Dolphin

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Atlantic Dolphin	Irrawaddy 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).

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.