Blah I am a bad keeper
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i guess it could bounce back. One piece of advice: until everyone is familiarized with the setup of your tank (i.e lights, filtration, size, flow, age, etc etc) we'll have a VERY hard time answering your question precisely. I'm not sure, but is that your tank? Because there's a lot of macroalgae growing and it looks wild. So hit us up with the specs of your tank and we should be able to give you a pretty good answer. Also, tell us if the acro was ever happy or when he started pouting. Water test results are helpful too.