Effect of salinity on survival and growth performances of marine shrimp Penaeus notialis fingerlings was carried out between April and September 2011 at AquaSol structure in IRAD of Kribi in Cameroon. A pregnant female with total weight 32 g and 15 cm total length has been collected in the natural environment by a fisherman using a bottom thread. Thirty 20 days old post larvae (PL20) born from this progenitor were seeded in triplicate in plastic bins at 15‰ (S0), 20‰ (S1), 25‰ (S2) and 30‰ (S3) salinity. Survival rates were high regardless of salinity. However, the higher survival rates (94.44 and 96.67%) were respectively recorded from 25 ‰ and 30 ‰ salinity. The higher feed conversion ratio, mean weight and weight gain were obtained at 15 ‰ salinity. The best specific growth rate was recorded at 20‰.