(Pérez-Sánchez and Páramo-Delgadillo, 2008) and TAN and nitrite
concentrations were within the safe ranges for tilapia (El-Sayed, 2006).
Tilapia population (mixed and 95% males) affected culture performance
and both tilapia and Mayan cichlid growth. Proportion
(3:1, 5:1, 7:1 and 1:0) affected Mayan cichlid growth but did not