Potamotrygon Potamotrygon falkneri Potamotrygon orbignyi Potamotrygon rex Potamotrygon schuhmacheri Potamotrygon tigrina Potamotrygon magdalenae Porcupine river stingray Potamotrygon tatianae Bigtooth river stingray Ocellate river stingray Xingu River ray Raspy river stingray Short-tailed river stingray Potamotrygonidae Niger stingray Potamotrygonocotyle chisholmae Rhinebothriidea List of species protected by CITES Appendix III Potamotrygonocotyle uruguayensis Potamotrygonocotyle 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 spe…

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