Indian Ocean humpback dolphin vs Indo-Pacific Bottlenose Dolphin

Sousa plumbea compared with Tursiops aduncus

Key Differences

• Indian Ocean humpback dolphin is Endangered while Indo-Pacific Bottlenose Dolphin is Near Threatened.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	Indo-Pacific Bottlenose Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family same	Delphinidae (Oceanic Dolphins)	Delphinidae (Oceanic Dolphins)
Genus	Sousa	Tursiops (Bottlenose Dolphins)
Species	Sousa plumbea	Tursiops aduncus

Evolutionary Relationship

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

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

Indo-Pacific Bottlenose Dolphin

NT — Near Threatened

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	Indo-Pacific Bottlenose 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.

Indo-Pacific Bottlenose Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.