Trygon garrapa
Author Robert Hermann Schomburgk (1804–1865)
Subject: Rays, Trygon
Tag: Fish
Date 1860
Source/Photographer R. H. Schomburgk (1860) Fishes of British Guiana, Part II, Naturalist's Library, vol.40, Edinburgh, Scotland: W. H. Lizars
Source: https://commons.wikimedia.org/wiki/File:FMIB_38368_Trygon_garrapa.jpeg

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.
Order: Myliobatiformes
Family: Potamotrygonidae
Genus: Potamotrygon
Species: Potamotrygon motoro