Amazon River Dolphin vs Atlantic Spotted Dolphin

Inia geoffrensis compared with Stenella frontalis

Taxonomic Classification

Rank	Amazon River Dolphin	Atlantic Spotted 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	Stenella
Species	Inia geoffrensis	Stenella frontalis

Evolutionary Relationship

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

Conservation Status

Amazon River Dolphin

DD — Data Deficient

Atlantic Spotted Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Amazon River Dolphin	Atlantic Spotted 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 Spotted Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Norway, Portugal, and Venezuela.

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 Spotted Dolphin

The Atlantic Spotted Dolphin (Stenella frontalis) is a species in the genus Stenella. Its conservation status is listed as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela