Stages df t-value Survival rate Larval duration zoea I 4 1.157 -1.356 zoea II 4 2.775 -1.587 zoea III 4 3.533 0.792 zoea IV 4 1.449 1.022 zoea V 4 2.071 2.071 Megalopa 4 1.000 0.338 Crab Instar 4 1.472 -1.242 Values are not significant at P<0.05 level.

Table 4: Results of t- test for the survival rate and larval duration of wild collected and laboratory produced brooders of P. pelagicus.