Sorry for the delay in response- he is still hanging in there. Yes he was spending most of the time floating with his head almost straight down and his tail at the surface. It had been a week since he ate alot. It has now been a week since he has ate anything. He does seem to have trouble keeping his "balance" when swimming. I read some info on bloat and began medicating him with metronidazole. The first stuff I got had it in with food- which did me no good- then I found some in some tablets with three other active ingredients. I have been using these with 25% water changes daily. He is swimming around more normal, but still has the lumps and won't eat. How long can a knife survive without any nutrition? He is looking better, has food readily available, I guess he will eat when he is ready. I can't believe I caught him and actually shoved a goldfish down his throat. I guess I am lucky that didn't kill him. Desperate people do desperate things I guess, I am sooooo glad he seems to be doing better- I would feel even better if he would eat. Thanks for the advice- SNC808 if your fish is showing these same symptoms do a search for bloat and read that info- thats the route I went and like I said mine is doing better- but not "out of the woods" yet. Good luck- I know it sucks having one sick and not knowing what to do.