Blue Dolphin vs Grooved cuttlefish

Stenella coeruleoalba compared with Sepia sulcata

Taxonomic Classification

Rank	Blue Dolphin	Grooved cuttlefish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Cephalopoda (Cephalopods)
Order	Cetacea (Whales & Dolphins)	Sepiida (Sepiida)
Family	Delphinidae (Oceanic Dolphins)	Sepiidae
Genus	Stenella	Sepia
Species	Stenella coeruleoalba	Sepia sulcata

Evolutionary Relationship

Blue Dolphin and Grooved cuttlefish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Dolphin

LC — Least Concern

Grooved cuttlefish

LC — Least Concern

Physical Characteristics

Attribute	Blue Dolphin	Grooved cuttlefish
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).

Grooved cuttlefish

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.