At stage M , larvae were transferred to 35-l plastic tanks and stocked at an initial II
21 density of 60 larvae l . Temperature and salinity during the experiments were 28618C
and 3561‰. A photoperiod of 13:11-h light / dark, and constant aeration was maintained
throughout the experiments. Daily 50–70% water exchanges were made using a 400-mm
mesh to eliminate molts, debris, and remaining Artemia nauplii. Larvae were reared in
these conditions from M until postlarva 10 (PL , 10 days after metamorphosis) II 10
following different feeding regimes (Table 1). Food density was adjusted four times
daily during all the experiments.