Amerika-aka-ei vs Napo Spiny-rat

Hypanus americanus compared with Proechimys quadruplicatus

Key Differences

• Amerika-aka-ei is Near Threatened while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Amerika-aka-ei	Napo Spiny-rat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Mammalia (哺乳類)
Order	Myliobatiformes (トビエイ目)	Rodentia (ネズミ目)
Family	Dasyatidae	Echimyidae
Genus	Hypanus	Proechimys
Species	Hypanus americanus	Proechimys quadruplicatus

Evolutionary Relationship

Amerika-aka-ei and Napo Spiny-rat share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Amerika-aka-ei

NT — Near Threatened

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Amerika-aka-ei	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amerika-aka-ei

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela