本文报道用双目解剖镜直接观察华枝睾吸虫尾蚴钻入麦穗鱼体内的过程,但在同样条件下,未能见到华枝睾吸虫尾蚴侵入日本沼虾体内。用3只麦穗鱼和47只日本沼虾与3个华枝睾吸虫尾蚴阳性纹沼螺同养于一池,30天后麦穗鱼全部感染有华枝睾吸虫囊蚴,且感染度相当高,而日本沼虾没有一只受感染。 This paper reports the direct observation of the process of penetration of C. sinensis cercariae into wheat ear by using binocular dissecting microscope. However, under the same conditions, C. sinensis cercariae could not be found invaded by M. marsh. With 3 wheat spike fish and 47 Japanese marsh shrimp and 3 Clonorchis sinensis cercariae positive snail marshmallows in the same pool, 30 days after all the infected fish infected with C. sinensis metacercariae, and the infection is quite high , While none of the Japanese marsh shrimp were infected.