Title:Relative abundance and autecology of three piscivorous fishes in lakes of the upper basin of Salado River (Buenos Aires Province, Argentina) / Peces piscívoros en lagunas de la cuenca superior del río Salado (Buenos Aires, Argentina): abundancia relativa y autoecología
Title:Extension of geographic distribution of Chrysobrycon hesperus and C. myersi (Characiformes, Characidae, Stevardiinae) for several drainages flowing into the Amazon River Basin in Peru and Colombia