Blue Dolphin vs Whitley’s cuttlefish

Stenella coeruleoalba compared with Sepia whitleyana

Key Differences

• Blue Dolphin is Least Concern while Whitley’s cuttlefish is Data Deficient.

Taxonomic Classification

Rank	Blue Dolphin	Whitley’s 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 whitleyana

Evolutionary Relationship

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

Conservation Status

Blue Dolphin

LC — Least Concern

Whitley’s cuttlefish

DD — Data Deficient

Physical Characteristics

Attribute	Blue Dolphin	Whitley’s 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).

Whitley’s 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.