Blue Dolphin vs

Stenella coeruleoalba compared with Euglena splendens

Key Differences

Blue Dolphin is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	Blue Dolphin
Kingdom	Animalia (Animals)	Protozoa (protozoa)
Phylum	Chordata (Chordates)	Euglenozoa (Euglenozoa)
Class	Mammalia (Mammals)	Euglenoidea (Euglenoidea)
Order	Cetacea (Whales & Dolphins)	Euglenida (Euglenida)
Family	Delphinidae (Oceanic Dolphins)	Euglenaceae
Genus	Stenella	Euglena
Species	Stenella coeruleoalba	Euglena splendens

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 and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Denmark, 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.

Euglena splendens is a photosynthetic unicellular euglenid characterized by its elongated body and brilliant green coloration from chloroplasts. It inhabits standing freshwater environments including ponds, ditches, and nutrient-enriched waters across temperate and tropical regions. This mixotrophic organism performs photosynthesis in light conditions and can absorb dissolved organic nutrients in darkness.