Blue Dolphin vs Onion Downy Mildew

Stenella coeruleoalba compared with Peronospora destructor

Key Differences

• Blue Dolphin is Least Concern while Onion Downy Mildew is Not Evaluated.

Taxonomic Classification

Rank	Blue Dolphin	Onion Downy Mildew
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Oomycota (Oomycetes)
Class	Mammalia (Mammals)	Peronosporea (Peronosporea)
Order	Cetacea (Whales & Dolphins)	Peronosporales (Peronosporales)
Family	Delphinidae (Oceanic Dolphins)	Peronosporaceae
Genus	Stenella	Peronospora
Species	Stenella coeruleoalba	Peronospora destructor

Conservation Status

Blue Dolphin

LC — Least Concern

Onion Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Dolphin	Onion Downy Mildew
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).

Onion Downy Mildew

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil).

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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden