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1997～ 1999年在伏牛山区对大鲵的自然繁殖习性进行了调查。结果表明 :大鲵的自然繁殖季节为每年的 5～ 9月 ,8月为繁殖高峰。观察到的最小产卵个体为雌性 35 0 g、雄性 30 0g。产卵前有明显的发情行为
1997 to 1999 in the Funiu Mountain natural habitat of Dabasu were investigated. The results showed that: the natural breeding season for the big clam from May to September each year, August is the breeding peak. The smallest spawning individuals observed were 35 0 g for females and 30 g for males. Before spawning obvious estrus behavior