Maracaibo river stingray vs Pacific Spiny-rat

Potamotrygon yepezi compared with Proechimys decumanus

Key Differences

• Maracaibo river stingray is Data Deficient while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Maracaibo river stingray	Pacific 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 decumanus

Evolutionary Relationship

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

Conservation Status

Maracaibo river stingray

DD — Data Deficient

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Maracaibo river stingray	Pacific 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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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