Amazon River Dolphin vs Indian Ocean humpback dolphin

Inia geoffrensis compared with Sousa plumbea

Key Differences

• Amazon River Dolphin is Data Deficient while Indian Ocean humpback dolphin is Endangered.

Taxonomic Classification

Rank	Amazon River Dolphin	Indian Ocean humpback 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	Iniidae	Delphinidae (Oceanic Dolphins)
Genus	Inia	Sousa
Species	Inia geoffrensis	Sousa plumbea

Evolutionary Relationship

Amazon River Dolphin and Indian Ocean humpback dolphin share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Indian Ocean humpback dolphin

EN — Endangered

Physical Characteristics

Attribute	Amazon River Dolphin	Indian Ocean humpback dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon River Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.

Amazon River Dolphin

The Amazon River Dolphin (Inia geoffrensis) is a species in the genus Inia. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.