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.