Maracaibo river stingray vs Napo Spiny-rat

Potamotrygon yepezi compared with Proechimys quadruplicatus

Key Differences

• Maracaibo river stingray is Data Deficient while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Maracaibo river stingray	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Potamotrygonidae	Echimyidae
Genus	Potamotrygon	Proechimys
Species	Potamotrygon yepezi	Proechimys quadruplicatus

Evolutionary Relationship

Maracaibo river stingray and Napo Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Maracaibo river stingray

DD — Data Deficient

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Maracaibo river stingray	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Maracaibo river stingray

Habitat

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

Range

Distributed across Colombia and Venezuela.

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 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela