Feeding habits and ecological role of the freshwater stingray Potamotrygon magdalenae (Duméril 1865) (Myliobatiformes: Potamotrygonidae), combining gut-content and stable isotope analysis. Environmental Biology of Fishes, 102(8), 1119–1136
DOI: 10.1007/s10641-019-00897-0
