Potamotrygon orbignyi
(Potamotrygon orbignyi)
Description
Potamotrygon orbignyi, or the smooth back river stingray, is a species of river stingray in the family Potamotrygonidae. It is found in the Amazon and Orinoco River basins in South America.
Taxonomic tree:
Domain:
Kingdom: Animalia
Phylum:
Class: Elasmobranchii
Order:Myliobatiformes
Family:Potamotrygonidae
Genus:Potamotrygon
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