is most unusual in fish. By contrast, no such decrease was observed in the groups fed 9 or 81 RFL. Itwas strongly suspected that this situation originated from a lower quality and survival of brine shrimp on these two days, which affected the fish fed the lowest feeding levels more than those fed in large excess. Since the experimental conditions were seemingly not fully respected, the data from the last feeding dayswere not taken into account in the growth model, which stood as: