Blue Dolphin vs Brazier's Ear Shell

Stenella coeruleoalba compared with Haliotis brazieri

Key Differences

• Blue Dolphin is Least Concern while Brazier's Ear Shell is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	Brazier's Ear Shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Cetacea (Whales & Dolphins)	Lepetellida (Lepetellida)
Family	Delphinidae (Oceanic Dolphins)	Haliotidae
Genus	Stenella	Haliotis
Species	Stenella coeruleoalba	Haliotis brazieri

Evolutionary Relationship

Blue Dolphin and Brazier's Ear Shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Dolphin

LC — Least Concern

Brazier's Ear Shell

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	Brazier's Ear Shell
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).

Brazier's Ear Shell

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found in Australia. 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.

Brazier's Ear Shell

The Brazier's Ear Shell (Haliotis brazieri) is a species in the genus Haliotis. It is currently classified as Near Threatened on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.