金鱼头发黑的原因是什么？

金鱼头发黑的原因是什么？

金鱼头部发黑的第一个疑似原因是寄生虫感染。它可能是一个浅黄色的囊肿。当它长大后，可能是摇尾幼虫或囊蚴。这两种寄生虫会攻击鱼的眼睛和组织

其次，考虑到水温的变化，当水温变低时，可能会由于鱼体粘膜的病理变化而脱落和变色。当然，它也可能是由细菌感染引起的。通常，有必要使用驱虫剂来提高水温并添加抗生素

What is the cause of goldfish head blackening?

The first suspected cause of goldfish head blackening is parasitic infection. It may be a light yellow cyst. When it grows up, it may be a tail wagging larva or a metacercaria. These two parasites will attack the eyes and tissues of fish

Secondly, considering the change of water temperature, when the water temperature becomes low, it may fall off and discolor due to the pathological changes of the mucous membrane of the fish body. Of course, it may also be caused by bacterial infection. Generally, it is necessary to use insect repellent to raise the water temperature and add antibiotics