Atlantic Dolphin vs Dwarf round ray

Delphinus delphis compared with Urotrygon nana

Key Differences

• Atlantic Dolphin is Least Concern while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Atlantic Dolphin	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Myliobatiformes)
Family	Delphinidae (Oceanic Dolphins)	Urotrygonidae
Genus	Delphinus	Urotrygon
Species	Delphinus delphis	Urotrygon nana

Evolutionary Relationship

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

Conservation Status

Atlantic Dolphin

LC — Least Concern

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Atlantic Dolphin	Dwarf 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).

Dwarf round ray

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.