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August asked in PetsFish · 1 decade ago

I have some koi and one has a bump on it's head and it's side and it won't go away?

when we got her she was just fine, but this bump formed on her head we are not sure what this is. A year later she layed eggs and another bump formed that looks like a bruise. Now there are smaller sores growing on her. These all keep on growing. Please help!

What are these? Are they tumors? What should I do? How long does she have to live? If you can please answer all of these questions.

1 Answer

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  • ?
    Lv 4
    1 decade ago
    Favorite Answer

    Without pictures it's really hard to tell. If she has lesions you should probably isolate the fish and try treating it with a course of antibiotics.

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