Genus Potamotrygon

 
 

Bigtooth river stingray - The bigtooth river stingray or Tocantins River ray, Potamotrygon henlei, is a species of freshwater stingray in the family Potamotrygonidae.

South American freshwater stingray - It is known to grow up to 1 m TL and 15 kg .

Order : Rajiformes
Family : Potamotrygonidae
Genus : Potamotrygon