Porcupine river stingray

Porcupine river stingray
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Myliobatiformes
Family: Potamotrygonidae
Genus: Potamotrygon
Species:
P. histrix
Binomial name
Potamotrygon histrix
Synonyms
  • Potamotrygon hystrix
  • Trygon hystrix

The porcupine river stingray (Potamotrygon histrix, sometimes incorrectly modified to Potamotrygon hystrix) is a species of river stingray in the family Potamotrygonidae, the type of the Potamotrygon genus. It is found in the basins of the Paraná and Paraguay River basins in South America. The population in the Rio Negro basin was described as a separated species, P. wallacei, in 2016.