金鱼易患炸鳞病,其原因在于把鱼放入新池水中时温差变化过大或冬季室温过低,池内结冰,在放水时直接冲在鱼体上,产生外伤引起的。防治方法:注意水温变化不要差别太大,平时要将鱼放养在浅池内,经阳光晒,提高水温,增加食量,以增强鱼的抗病能力。金鱼的白斑病,对鱼危害很大。这是由于阳光不足或水太深引起的。 Goldfish susceptible to ostracodosis, the reason is that the fish into the new pool of water when the temperature change is too large or too cold in winter, the pool ice, water directly rushed in the body, resulting in trauma. Prevention and treatment methods: pay attention to changes in water temperature do not differ too much, usually the fish should be stocked in a shallow pool, the sun drying, increase water temperature, increase food intake, in order to enhance fish disease resistance. White spot disease of goldfish, a great harm to fish. This is caused by insufficient sunlight or too much water.