My fish has white cottony growth on its head. What should I do?

Question

I have a three year old fish with grey and white stuff growing on her head. What should I do? Pet's info: Fish | Tetra | Male | unneutered | 0.0123 lbs

Todd Cecil · Accepted Answer

Thanks for reaching out about Ares and including photos. White cottony growths are often associated with fungal infections, which are normally secondary to other problems. Wounds, suboptimal water quality and parasites could be the initial cause. Test and correct water quality. A veterinary visit is recommended to assess and provide a diagnostic/treatment plan. There are commercially available fungal treatment available but use with caution, especially without getting a confirmed diagnosis first. If aggression from other fish suspected, might need to be separated. Good luck.

My fish has white cottony growth on its head. What should I do?

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