A friend of mine called me in a panic coz his giant goramy has a swollen stomach and keeps floating on its side at the surface. The fish looks perfectly healthy, apart form a swollen stomach, all the other fish in his tank also look healthy, I told him to join and post on here, put a pic up and see if anyone can help. I don't think its swim bladder as the fish can right itself and swim almost as normal. He said he tested water and all was normal, he asked the guy in his petshop who said do a 50% water change. I told him to stop all feeding until he can find out whats wrong.