The mean SGR in the present study ranged from 1.82 ± 0.67% BW/d for the diet 3 (40%), to 2.62 ± 0.78 for the diet 6 (100%) respectively, being similar to those observed by Jones (1988), and Meade and Watts (1995) for crayfish juveniles fed formulated diet, but lower than that obtained by García-Ulloa et al. for Cherax quadricarinatus juveniles, including various soya bean meal levels in the diet.