Blue Dolphin vs Opal chimaera

Stenella coeruleoalba compared with Chimaera opalescens

Taxonomic Classification

Rank	Blue Dolphin	Opal chimaera
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Holocephali (全頭亜綱)
Order	Cetacea (Whales & Dolphins)	Chimaeriformes (ギンザメ目)
Family	Delphinidae (Oceanic Dolphins)	Chimaeridae
Genus	Stenella	Chimaera
Species	Stenella coeruleoalba	Chimaera opalescens

Evolutionary Relationship

Blue Dolphin and Opal chimaera share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Blue Dolphin

LC — Least Concern

Opal chimaera

LC — Least Concern

Physical Characteristics

Attribute	Blue Dolphin	Opal chimaera
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).

Opal chimaera

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。