List of fishes and the subregions where they were collected during the AquaRAP expedition to departamento Alto Paragauy, Paraguay, in september 1997 - Chernoff, Barry; Mandelburger, Darío; Medina, Mirta; Toledo-Piza, Mônica; Sarmiento, Jaime (A biological assessment of the aquatic ecosystems of the Río Paraguay Basin, Alto Paraguay, Paraguay, 2001)