Blue Dolphin vs Hector s Dolphin

Stenella coeruleoalba compared with Cephalorhynchus hectori

Key Differences

• Blue Dolphin is Least Concern while Hector s Dolphin is Endangered.

Taxonomic Classification

Rank	Blue Dolphin	Hector s Dolphin
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family same	Delphinidae (Oceanic Dolphins)	Delphinidae (Oceanic Dolphins)
Genus	Stenella	Cephalorhynchus
Species	Stenella coeruleoalba	Cephalorhynchus hectori

Evolutionary Relationship

Blue Dolphin and Hector s Dolphin share a common ancestor at the Family level: Delphinidae. (Oceanic Dolphins)

Conservation Status

Blue Dolphin

LC — Least Concern

Hector s Dolphin

EN — Endangered

Physical Characteristics

Attribute	Blue Dolphin	Hector s Dolphin
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).

Hector s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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。