Black river stingray vs Gray-footed Spiny-rat

Potamotrygon motoro compared with Proechimys poliopus

Key Differences

• Black river stingray is Data Deficient while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Black river stingray	Gray-footed 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 motoro	Proechimys poliopus

Evolutionary Relationship

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

Conservation Status

Black river stingray

DD — Data Deficient

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Black river stingray	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black river stingray

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Distributed across Brazil, Colombia, Ecuador, Singapore, and Venezuela.

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black river stingray

The Black river stingray (Potamotrygon motoro) is a species in the genus Potamotrygon. It is currently classified as Data Deficient on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela