Giant Otter vs Spinner Dolphin

Pteronura brasiliensis compared with Stenella longirostris

Key Differences

• Giant Otter is Endangered while Spinner Dolphin is Data Deficient.

Taxonomic Classification

Rank	Giant Otter	Spinner Dolphin
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mamalia)	Mammalia (mamalia)
Order	Carnivora (Carnivorans)	Cetacea (Whales & Dolphins)
Family	Mustelidae (Weasels & Otters)	Delphinidae (Oceanic Dolphins)
Genus	Pteronura	Stenella
Species	Pteronura brasiliensis	Stenella longirostris

Evolutionary Relationship

Giant Otter and Spinner Dolphin share a common ancestor at the Class level: Mammalia. (mamalia)

Conservation Status

Giant Otter

EN — Endangered

Spinner Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Giant Otter	Spinner Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Spinner Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Norway, Taiwan, and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela