解剖检查了 5 8尾体长在 35 0cm以下的长吻鱼危 ,统计表明 :宿主感染鳔等睾吸虫的感染率为2 5 9% ,平均感染强度是 3 5。在 15 0cm以下的长吻鱼危体内未检出鳔等睾吸虫。鳔等睾吸虫由 2 0～ 10 0mm的虫体组成 ,在宿主种群中呈聚集分布。宿主染虫较多时对其正常生长有明显的影响 Anatomical examination of 5 8 tail length of 35 0cm in the following long-legged fish danger, statistics show that: host infection and other testicular infection rate of 25.5%, the average infection intensity is 35%. In the 150 cm below the body of the kiss of fish did not check out the testis and other testis. Testis and other testis by 20 ~ 10 0mm worm body composition in the host population was concentrated. Host infected with more time on its normal growth has a significant impact