Ocellate river stingray
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| phylum | Chordata | The ocellate river stingray (Potamotrygon motoro), also known as the peacock-eye stingray, is a freshwater ray native to the basins of the Uruguay, Paraná, Orinoco, and Amazon Rivers. It is known to grow up to 1 m (3 ft.) TL and 15 kg (33 lb.). Its disk is roughly circular in shape, and its eyes are raised from the dorsal surface. The dorsal coloration is beige or brown, with numerous light orange spots with dark rings. The arrangements of these spots can vary from fish to fish.
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| class | Chondrichthyes | |
| order | Myliobatiformes | |
| family | Potamotrygonidae | |
| genus | Potamotrygon | |
| species | P. motoro |
