Allozyme analysis of the four species of Hypostomus (Teleostei: Loricariidae) from the Ivaí river, upper Paraná river basin, Brazil - doi: 10.4025/actascibiolsci.v35i4.16355. Acta Scientiarum. Biological Sciences, [S. l.], v. 35, n. 4, p. 571–578, 2013. DOI: 10.4025/actascibiolsci.v35i4.16355. Disponível em: https://www.periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/16355. Acesso em: 29 maio. 2026.