Français : Détail de l'oeil d'une raie d'eau douce ( Potamotrygon motoro ). Aquarium tropical du Palais de la Porte Dorée, à Paris.
English: Detail of the eye of an ocellate river stingray ( Potamotrygon motoro ). Aquarium tropical du Palais de la Porte Dorée, in Paris.
Date 10 April 2016, 17:10:10
Author Vassil https://commons.wikimedia.org/wiki/User:Vassil
Source: https://commons.wikimedia.org/wiki/File:Potamotrygon_motoro_Aquarium_tropical_du_Palais_de_la_Porte_Dor%C3%A9e_10042016_4.jpg

The ocellate river stingray or peacock-eye stingray (Potamotrygon motoro) is a species of freshwater stingray in the family Potamotrygonidae. It is widespread throughout much of the Río de la Plata, Amazon, Mearim and Orinoco basins in tropical and subtropical South America.