FIGURE 2. Length-frequency distribution at harvest of tilapia fingerlings stocked at 6 densities. The number of fingerlings per production unit is the mean of three replications. The value above each bar is the mean weight of fingerlings in grams of that size group. 500 26/M2 400 300 200 100 'B43 4.9 84 012 1 2 3 45 67 8 9 0 78/M2 100 0 3500 0400 F- U 200 w 100 SI00 Z 0 500- 400 300 200 I00 S 483 11.0 6 7 8 9 10 0 52/M2 I.I 3 4 5 6 7 8910 12 I 2 3 4 104/M2 6 12.0& 0 6 7 8 9 10 130/M2 500 400 300- 200 - 100 01 6 5.44 12.0 6 7 8 9 10 155/M2 1.0 I 2 4 5 9.5135 4 5 67 89 10 LENGTH (CM) VOL. XX-PROCEEDINGS of the CARIBBEAN FOOD CROPS SOCIETY 500 400 300 200 1 2 3 4 500 400 300 200 100 01 I 2 34 t 241