Atlantic Dolphin vs Napo Spiny-rat

Delphinus delphis compared with Proechimys quadruplicatus

Taxonomic Classification

Rank	Atlantic 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	Delphinus	Proechimys
Species	Delphinus delphis	Proechimys quadruplicatus

Evolutionary Relationship

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

Conservation Status

Atlantic Dolphin

LC — Least Concern

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Atlantic Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Atlantic Dolphin

Atlantic Dolphin (Delphinus delphis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela