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  1. I think my fish has hole-in-the-head

    Hi, I just got back from vacation, and my tank is in a mess. A couple of my fish are in really bad shape (nipped fins, darkish murky color, etc.) - but I'm pretty sure this is just aggression and they will heal. My real problem is, i think one of my Aceis has hole-in-the-head disease. The top...