人生病了,可以上医院请医生治疗,那么,鱼生病了怎么办呢?其实,鱼类也像我们人类一样,有自己的医生。在蓝蓝的大海里,科学家们就发现了45种鱼医生,人们把这些鱼医生称为“清洁鱼”。它们长着尖尖的嘴,身体都不大。当微生物和寄生虫附着在鱼鳞、鱼鳍和鱼鳃上时,鱼 People are sick, you can go to the hospital for medical treatment, then the fish is sick how to do it? In fact, fish, like us humans, have their own doctor. In the blue sea, scientists found 45 kinds of fish doctors, these people call these fish doctors “clean fish.” They have sharp-pointed mouths and are not large in body. When the microorganisms and parasites attached to the scales, fins and fish gills, fish