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My fish has a hole in its head with white cotton. What's wrong?

Updated On September 23rd, 2025

Pet's info: Fish | Unknown - Fish | Male

Hello, my fish just recently has been showing signs of sickness. My fish has a hole in his head that also looks like cotton material. It has a white/orange color to it. I am having a hard time identifying what type of sickness my fish has and what I need to do for him. Please help!

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1 Answer

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Answered By Dr. Elizabeth

Veterinarian

Published on November 6th, 2017

It looks like it may be some sort of fungal infection on Tiller. I would recommend to the the photo to a pet store and see if they agree. They can also sell you fungal medication to add to his water. Sometimes these infections can be serious. If you have a pet store in town that specializes in fish, they are your best reference. Best of luck!

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