Blue Dolphin vs Hooktail skate

Stenella coeruleoalba compared with Dipturus oregoni

Taxonomic Classification

Rank	Blue Dolphin	Hooktail skate
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	Stenella	Dipturus
Species	Stenella coeruleoalba	Dipturus oregoni

Evolutionary Relationship

Blue Dolphin and Hooktail skate share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue Dolphin

LC — Least Concern

Hooktail skate

LC — Least Concern

Physical Characteristics

Attribute	Blue Dolphin	Hooktail skate
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).

Hooktail skate

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.