Indian Ocean humpback dolphin vs Pacific white-sided dolphin

Sousa plumbea compared with Lagenorhynchus obliquidens

Key Differences

• Indian Ocean humpback dolphin is Endangered while Pacific white-sided dolphin is Least Concern.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	Pacific white-sided 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	Sousa	Lagenorhynchus
Species	Sousa plumbea	Lagenorhynchus obliquidens

Evolutionary Relationship

Indian Ocean humpback dolphin and Pacific white-sided dolphin share a common ancestor at the Family level: Delphinidae. (Oceanic Dolphins)

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

Pacific white-sided dolphin

LC — Least Concern

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	Pacific white-sided dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Pacific white-sided dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.