Amazon River Dolphin vs Atlantic Humpbacked Dolphin

Inia geoffrensis compared with Sousa teuszii

Key Differences

• Amazon River Dolphin is Data Deficient while Atlantic Humpbacked Dolphin is Critically Endangered.

Taxonomic Classification

Rank	Amazon River Dolphin	Atlantic Humpbacked 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 teuszii

Evolutionary Relationship

Amazon River Dolphin and Atlantic Humpbacked Dolphin share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Atlantic Humpbacked Dolphin

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon River Dolphin	Atlantic Humpbacked 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.

Atlantic Humpbacked Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Atlantic Humpbacked Dolphin

The Atlantic Humpbacked Dolphin (Sousa teuszii) is a species in the genus Sousa. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.