Weis, Maria Lacy Cezimbra, and Ilca Marion Knewitz Bossemeyer. “Crenicichla Gender in the Central Region of the State of Rio Grande Do Sul: Crenicichla Vittata Heckel, 1840”. Ciência e Natura 13, no. 13 (December 9, 1991): 123–132. Accessed July 15, 2024. https://periodicos.ufsm.br/cienciaenatura/article/view/26307.