the daily feeding rate of young was 35 times as much
as adults, in addition, at the temperature, the daily
feeding rate of young was only 0.35% at 28ć. The
daily feeding rate rose with increasing temperature
and dropped with decreasing temperature. The results
indicated that the feeding rates of both young and
adult had statistical differences between different
temperatures (Table 1). At 28ć, the daily feeding
rate reached the maximum for both adult and young
groups. At that temperature, adults took food equal
to 2.84% of their body weight and the young fish to
12.06% of their body weight. The feeding rate dropped
when temperature exceeded 28ć. At 34ć, the daily
feeding rate of adults was 0.74% of body weight, only