瓶体虫(Lagenophrys sp.)是河蟹养殖中从幼蟹到成蟹最常见的一种固着类纤毛虫,其着生数量往往极大,遍布河蟹头胸甲及全部附肢,特别是鳃部,因而造成其爬行不便、难以取食,严重的步足收缩成一团静止不动。常并发鳃萎缩、烂鳃、黑鳃,引起一定数量的死亡。 Lagenophrys sp. Is the most common type of anchovy ciliate that infects crabs and crabs in crab farming. The number of their living is often large, covering the croaker and all appendages, especially the gills , Which caused it to crawl inconvenient, difficult to feed, serious foot contraction shrink into a mass still. Often complicated gill atrophy, rotten gill, black gills, causing a certain number of deaths.