FIGURE 31 in Fishes of the upper rio Paraná basin: diversity, biogeography and conservation

FIGURE 31 | Examples of species that occur in the upper rio Paraná only in the peripheries of the basin and are shared with neighboring drainages. Numbers indicate zones of faunal exchange with adjacent basins: 1) rio Iguaçu and rio Ribeira de Iguape; 2) rio Paraíba do Sul and rio Ribeira de Iguape; 3) rio Doce and upper rio São Francisco; 4) rio Paracatu (rio São Francisco basin); 5) upper rio Tocantins and rio São Francisco; 6) rio Paraguai.