Blue Dolphin vs Centric diatom

Stenella coeruleoalba compared with Skeletonema subsalsum

Key Differences

• Blue Dolphin is Least Concern while Centric diatom is Not Evaluated.

Taxonomic Classification

Rank	Blue Dolphin	Centric diatom
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Cetacea (Whales & Dolphins)	Thalassiosirales (Thalassiosirales)
Family	Delphinidae (Oceanic Dolphins)	Skeletonemaceae
Genus	Stenella	Skeletonema
Species	Stenella coeruleoalba	Skeletonema subsalsum

Conservation Status

Blue Dolphin

LC — Least Concern

Centric diatom

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Dolphin	Centric diatom
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).

Centric diatom

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Found across Europe (7 countries) and North America (United States).

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.

Centric diatom

The Centric Diatom (Skeletonema subsalsum) is a species in the genus Skeletonema. Found across Europe (7 countries) and North America (United States).

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden