鱼类有各种寄生虫,条虫是其中之一。在多种淡水鱼的腹腔里,常有一种双槽科条虫的裂头蚴,体长可达四、五寸,对鱼苗和幼鱼为害甚烈。但人们不仅吃鱼,甚至也吃这些裂头蚴。在意大利的市场上就出售肠舌形条虫Ligula intestinalis(L.)的裂头蚴作为食物,称为maccheroni piatti——扁通心粉(Pearse,A.S.:Introduction to Para- Fish have a variety of parasites, one of which is the worm. In a variety of freshwater fish in the abdomen, there is often a two-necked kelp of spider larvae, body length up to four or five inches, very frightening on fry and juveniles. But people not only eat fish, but also eat these spider larvae. In the Italian market, the sale of the spleens of the intestinal bacterium Ligula intestinalis (L.) as food called maccheroni piatti (Pearse, A. S.: Introduction to Para-