Blue Dolphin vs Northern Emerald

Stenella coeruleoalba compared with Somatochlora arctica

Key Differences

• Blue Dolphin is Least Concern while Northern Emerald is Endangered.

Taxonomic Classification

Rank	Blue Dolphin	Northern Emerald
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Odonata (Odonata)
Family	Delphinidae (Oceanic Dolphins)	Corduliidae
Genus	Stenella	Somatochlora
Species	Stenella coeruleoalba	Somatochlora arctica

Evolutionary Relationship

Blue Dolphin and Northern Emerald share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Dolphin

LC — Least Concern

Northern Emerald

EN — Endangered

Physical Characteristics

Attribute	Blue Dolphin	Northern Emerald
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).

Northern Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Northern Emerald

Northern Emerald (Somatochlora arctica) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden