Table 1. The preying capacity and growth performance of crablet of S. tranquebarica fed different stocking densities of amphipods Grandidierella megnae

Parameters Amphipod densities
A B C
Initial eight (W1, g) 0.04 ± 0.00 0.04 ± 0.00 0.04 ± 0.00
Final weight (W2, g) 1.17 ± 0.05a 1.81 ± 0.12b 2.12 ± 0.07c
Total prey given (crab) 1,600 2,400 3,200
Overall consumtion rate (OCR, %) 96.89 ± 0.33b 95.03 ± 0.8961ab 91.98 ± 1.97a
Daily feed consumption rate 60-days (DCR, %) 8.11 ± 0.31a 8.02 ± 0.47a 8.55 ± 0.27a
Daily feed consumption rate 30-days (DCR, %) 14.91 ± 0.37a 16.78 ± 0.49b 19.14 ± 1.45b
FCR (wet-based) 5.17 ± 0.23a 5.39 ± 0.30a 5.53 ± 0.20a
Cumulative molting (CM, %) 473.33 ± 6.67a 555.56 ± 8,01b 583.33 ± 16.67b
Survival rate (SR, %) 100.00 ± 0.00a 100.00 ± 0.00a 100.00 ± 0.00a
Specific growth rate 60 d (SGR-W, %) 5.61 ± 0.07a 6.31 ± 0.11b 6.60 ± 0.05b
Specific growth rate 30 d (SGR-W, %) 8.77 ± 0.17a 9.66 ± 0.09b 10.23 ± 0.29b
Percentage last molt W increment (%) 71.61 ± 2.39a 94.42 ± 6.92b 89.01 ± 3.99b
Treatments; A, 20 amphipods / 0.5 L; B, 30 amphipods / 0.5 L; C, 40 amphipods / 0.5 L.
Different superscript letters in the same row at different amphipod densities indicate significant differences between treatments (ANOVA, p < 0.05).