锚头鳋病是病原锚头鳋寄生鱼体后发生的一种鱼类疾病。锚头鳋的形态由头、胸、腹三部分组成。雄虫不侵害鱼体,营自由生活。雌虫头部扎入鱼体内吸收营养,胸、腹裸露在外进行消化、排泄和繁殖。性成熟后的雌虫,卵囊逐渐肿大,临产时呈半透明状,内有一个黄黑色亮点。这一特征是观察 Anchovy is a fish disease that occurs after the parasitic fish of the pathogen. The shape of anchor 鳋 by the head, chest, abdomen consists of three parts. Male insects do not infringe the fish, camp free to live. Female head into the fish into the body to absorb nutrients, chest, abdomen, exposed to the outside digestion, excretion and reproduction. Sexually mature females, oocysts gradually enlarged, translucent during labor, there is a yellow-black highlights. This feature is observed