Potamotrygon Potamotrygon falkneri Potamotrygon orbignyi Potamotrygon rex Potamotrygon schuhmacheri Potamotrygon tatianae Potamotrygon magdalenae Potamotrygon tigrina Porcupine river stingray Bigtooth river stingray Ocellate river stingray Xingu River ray Raspy river stingray Short-tailed river stingray Potamotrygonidae Niger stingray Rhinebothriidea Potamotrygonocotyle chisholmae List of species protected by CITES Appendix III Potamotrygonocotyle Potamotrygonocotyle uruguayensis Parnaíba River List of cartilaginous fish Xingu Porthole shovelnose catfish List of fishes in the Magdalena River Heliotrygon gomesi List of data deficient fishes IUCN Red List data deficient species (Chordata) Pacaya…

a-Samiria National Reserve Plotosus Venomous fish Pascal Deynat Alcide d'Orbigny Branco River Faunia Canaanimico San Gregorio Formation, Venezuela Clearwater river (river type) Animal attacks in Latin America Stingray Hexabothriidae Solimões–Japurá moist forests Magdalena River International Institute for Species Exploration White-edge freshwater whipray Nukak List of endangered fishes Whitewater river (river type) New England Aquarium List of prehistoric cartilaginous fish genera Injection (medicine) List

of least concern fishes Alfred Russel Wallace IUCN Red List near threatened species (Animalia) Fish intelligence IUCN Red List endangered species (Animalia) Asterotrygon 2017 in paleoichthyology Divisaderan Pebas Formation Laventan Ituzaingó Formation Kwaza language Deseadan 2014 in fish paleontology List of freshwater aquarium fish species River Monsters List of organisms named after famous people (born 1900–1949)