Atlantic Dolphin vs Round Ray

Delphinus delphis compared with Rajella fyllae

Key Differences

• Atlantic Dolphin is Least Concern while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Atlantic Dolphin	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Rajiformes (Rajiformes)
Family	Delphinidae (Oceanic Dolphins)	Rajidae
Genus	Delphinus	Rajella
Species	Delphinus delphis	Rajella fyllae

Evolutionary Relationship

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

Conservation Status

Atlantic Dolphin

LC — Least Concern

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Atlantic Dolphin	Round Ray
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).

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden