Blue Dolphin vs Lined round stingray

Stenella coeruleoalba compared with Urotrygon rogersi

Key Differences

• Blue Dolphin is Least Concern while Lined round stingray is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	Lined round stingray
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	Stenella	Urotrygon
Species	Stenella coeruleoalba	Urotrygon rogersi

Evolutionary Relationship

Blue Dolphin and Lined round stingray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue Dolphin

LC — Least Concern

Lined round stingray

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	Lined round stingray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

Lined round stingray

Blue Dolphin

Blue Dolphin (Stenella coeruleoalba) 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.