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Effect of light intensity on initial survival of fat snook (Centropomus parallelus, Pisces: Centropomidae) larvae


, : Effect of light intensity on initial survival of fat snook (Centropomus parallelus, Pisces: Centropomidae) larvae. Brazilian Archives of Biology and Technology 44(4): 343-349

Different light intensities were tested during the larval rearing of fat snook (Centropomus parallelus) to evaluate its influence on survival and functional swim bladder rate. Newly-hatched larvae were obtained by stripping of hormonally induced broodstock, and were stocked in 32-liter tanks at densities from 30 to 50 L-1. Four experiments were carried out testing six light intensities: 50, 100, 200, 500, 1500, and 2500 lx, and total darkness as a control.

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