Blue Dolphin vs Opal chimaera

Stenella coeruleoalba compared with Chimaera opalescens

Taxonomic Classification

Rank	Blue Dolphin	Opal chimaera
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Mammalia (lớp Thú)	Holocephali (Phân lớp Cá toàn đầu)
Order	Cetacea (Whales & Dolphins)	Chimaeriformes (Chimaeriformes)
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. (động vật có dây sống)

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

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.