In the present investigation an attempt was made to study the effect of Fish meal replacement either partially of fully by Plant or Animal ingredients in the formulation of feeds for Penaeus monodon and growth potentials were monitored. From the results obtained Fish meal was considered to be an ideal protein for P. monodon in inducing the growth potentials, but due to its higher demand and leer the availability, it has been replaced in the feed formulation with either Plant or Animal ingredients. The Animal ingredient incorporated feeds were fared significantly in inducing the growth potentials compared to Plant ingredient incorporated feeds. The Amino acid composition of Animal ingredients clearly supports that, due to closeness in AA composition, the Animal ingredient incorporated feeds are capable of inducing best growth potentials compared to Plant ingredient incorporated feeds.