The natural reproduction water temperature of Acipenser schrencki is1 6～ 1 9℃ .We have success- fully in the sturgeons made artificial reproduction of Acipenser schrencki in water temperature of 8～ 1 4℃ with induced ovulation rate of85 % .Under environment of lower temperature(8～ 1 4℃ ) ,the key factors for successfully induced ovulation were either to keep constant water temperature to increase water tem- perature during the effect time of induced ovulation.The success of induced ovulation had no evide...