SILVA, T. B.; UIEDA, V. S. Preliminary data on the feeding habits of the freshwater stingrays Potamotrygon falkneri and Potamotrygon motoro (Potamotrygonidae) from the Upper Paraná River basin, Brazil. Biota Neotropica, Sao Paulo, Brazil, v. 7, n. 1, 2007. Disponível em: //www.biotaneotropica.org.br/BN/article/view/268. Acesso em: 6 may. 2024.