Blue Dolphin vs Green-eyed Hooktail

Stenella coeruleoalba compared with Onychogomphus forcipatus

Key Differences

• Blue Dolphin is Least Concern while Green-eyed Hooktail is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	Green-eyed Hooktail
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)	Gomphidae
Genus	Stenella	Onychogomphus
Species	Stenella coeruleoalba	Onychogomphus forcipatus

Evolutionary Relationship

Blue Dolphin and Green-eyed Hooktail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Dolphin

LC — Least Concern

Green-eyed Hooktail

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	Green-eyed Hooktail
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).

Green-eyed Hooktail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 4 countries:

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