Blue Dolphin vs Blue-nosed ray

Stenella coeruleoalba compared with Myliobatis freminvillei

Key Differences

• Blue Dolphin is Least Concern while Blue-nosed ray is Vulnerable.

Taxonomic Classification

Rank	Blue Dolphin	Blue-nosed 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)	Myliobatidae
Genus	Stenella	Myliobatis
Species	Stenella coeruleoalba	Myliobatis freminvillei

Evolutionary Relationship

Blue Dolphin and Blue-nosed ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue Dolphin

LC — Least Concern

Blue-nosed ray

VU — Vulnerable

Physical Characteristics

Attribute	Blue Dolphin	Blue-nosed ray
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).

Blue-nosed ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Blue-nosed ray

The Blue Nosed Ray (Myliobatis freminvillei) is a species in the genus Myliobatis. It is currently classified as Vulnerable on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela