| cytogenetic and morphometric analysis in the species astyanax altiparanae garutti & britski, 2000 (teleostei, characidae) from the iguatemi river basin, brazil. | the genus astyanax is relatively common and encompasses various similar taxa forming a highly complex group that is difficult to precisely delimit. the present study aims to analyze cytogenetically and morphologically specimens of a. altiparanae belonging to distinct populations of the iguatemi river basin, mato grosso do sul state, brazil, for a better understanding of the evolutionary processes in this fish group. this study analysed 32 specimens of astyanax altiparanae from iguatemi river bas ... | 2014 | 25403073 |