Atlantic Spotted Dolphin vs Napo Spiny-rat

Stenella frontalis compared with Proechimys quadruplicatus

Key Differences

• Atlantic Spotted Dolphin is Data Deficient while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Atlantic Spotted Dolphin	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Delphinidae (Oceanic Dolphins)	Echimyidae
Genus	Stenella	Proechimys
Species	Stenella frontalis	Proechimys quadruplicatus

Evolutionary Relationship

Atlantic Spotted Dolphin and Napo Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Atlantic Spotted Dolphin

DD — Data Deficient

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Spotted Dolphin	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Spotted Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Norway, Portugal, and Venezuela.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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