Mortality: Total mortality for 2 fish lar- vae/mL in 40L aquarium in 135 days using the three different diets (Fig. 3); the instantaneous total mortality rate (Z) was 0.0026, 0.0043, and 0.0040, respectively; with diet A the mortality was 33.8%; with diet C, 43.8%; and with diet B, 50.0 %. The best survival percentage was attained with diet A at 66.25%.