The characid lambari-do-rabo-amarelo (lambari) Astyanax altiparanae, has a great potential for aquaculture in South America, due to its easy management, acceptance of artificial food, sexual dimorphism, short growth cycle, reaching commercial size in about three months (Gonçalves et al., 2014;Porto-Foresti et al., 2010). A. altiparanae have been used as a model to study reproductive biology