Blue Dolphin vs Rough-Tailed

Stenella coeruleoalba compared with Bathytoshia centroura

Key Differences

• Blue Dolphin is Least Concern while Rough-Tailed is Vulnerable.

Taxonomic Classification

Rank	Blue Dolphin	Rough-Tailed
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)	Dasyatidae
Genus	Stenella	Bathytoshia
Species	Stenella coeruleoalba	Bathytoshia centroura

Evolutionary Relationship

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

Conservation Status

Blue Dolphin

LC — Least Concern

Rough-Tailed

VU — Vulnerable

Physical Characteristics

Attribute	Blue Dolphin	Rough-Tailed
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).

Rough-Tailed

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.