In of the most important aspect of the present invention it is provided that fish meal with protein sourced from the animals, more particularly mollusc the effect of the animal proteins containing fish meal is easy digestibility , which stimulates faster growth the plant proteins which is hard to digest thus causing problems and also retards growth The effect of the an improved fish meal is studied with the effect on the growth of the diet II on the fish Puntius ticto and Rasbora daniconius