结果表明，Ⅰ龄组亲鳝全部为雌性，Ⅱ~Ⅲ龄组为雌雄间体阶段，Ⅳ龄组多为雄性个体，Ⅴ龄基本上都已逆转为雄性；
The result shows that the parent eels in the first age group are all female , in the second and the third age groups are in the stage of intersexes development . The forth age group includes more male individuals than female .
雌雄间体