Blue Dolphin vs

Stenella coeruleoalba compared with Stephanoeca kentii

Key Differences

• Blue Dolphin is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Blue Dolphin
Kingdom	Animalia (Animals)	Protozoa (protozoa)
Phylum	Chordata (Chordates)	Choanozoa (Choanozoa)
Class	Mammalia (Mammals)	Choanoflagellatea (Choanoflagellatea)
Order	Cetacea (Whales & Dolphins)	Choanoflagellida (Choanoflagellida)
Family	Delphinidae (Oceanic Dolphins)	Acanthoecidae
Genus	Stenella	Stephanoeca
Species	Stenella coeruleoalba	Stephanoeca kentii

Conservation Status

Blue Dolphin

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Dolphin
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).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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.

Stephanoeca kentii is a loricate choanoflagellate, a marine unicellular organism that constructs a delicate basket-like structure (lorica) of siliceous strips surrounding its cell. It inhabits coastal and oceanic waters where it feeds on picoplankton bacteria. Choanoflagellates like this species are of scientific interest as the closest living unicellular relatives of animals.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden