We have had our male betta for 2 months. After multiple issues in our 55 tank including columnaris & velvet and losing pretty much all of our fish to disease, we put him in a separate 10 tank. It's heated. He has been fine until today. He only moves when you jostle the tank around and his fins look to be deteriorating fast. His fins weren't like this yesterday at all and he has been perfectly fine, besides being a bit lazy, until today. He also seems to be breathing very heavily. I put him in a small cup & put an air stone in it so he wouldn't have to exert himself so much. Water parameters are good, temp is good, nothing in the tank that would snag him, etc. Please help.
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