Mayan cichlid in the tilapiamixed-sex population presented a significantly higher final weight
(33%), growth rate (40%) and condition factor (5%) than in the 95%
male population. Fish in the lower predator density proportion (7:1)
showed a significantly greater final weight and growth rate than in
the higher predator density (3:1).Mayan cichlid growth in the two populations
during the experimental period is presented in Fig. 2. A very
slow growth was observed during the first 3 weeks. From the 6th
week,Mayan cichlids from themixed-sex population showed a greater
average weight and this difference increased with time until the end of
the growth trial.