What are your water parameters? Does it eat or poop? I don't see what's wrong with the fins. It looks maybe a little stressed but that can be from anything. Post another picture of what it looks like now.


He's eating food 1 times on day.No appetite.The end portions colorless of fins, previously was red, now colorless(transparent).And he's wounds are can not find cure.(Look a kok's front)
This new photo, the situation worse
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