Blue Dolphin vs Ocellated Darner

Stenella coeruleoalba compared with Boyeria grafiana

Taxonomic Classification

Rank	Blue Dolphin	Ocellated Darner
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Cetacea (Whales & Dolphins)	Odonata (蜻蛉目)
Family	Delphinidae (Oceanic Dolphins)	Aeshnidae
Genus	Stenella	Boyeria
Species	Stenella coeruleoalba	Boyeria grafiana

Evolutionary Relationship

Blue Dolphin and Ocellated Darner share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Blue Dolphin

LC — Least Concern

Ocellated Darner

LC — Least Concern

Physical Characteristics

Attribute	Blue Dolphin	Ocellated Darner
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).

Ocellated Darner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

Blue Dolphin

スジイルカ（Stenella coeruleoalba）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体で広く豊富に生息し、個体数は安定しており、即座の保全上の懸念はありません。