He swims fine and doesn have a problem swimming but he is not a big eater. He seems healthy otherwise?
< It could be possible the uneaten food could be encouraging the problem we are discussing. Goldfish have extremely simple digestive tracts, and only need a couple of bites of food a day. Any more than that, and they will simply pass it, polluting the water! > Please help… < I will try! > Thank you, Vicky < You are very welcome! RichardB > Re: Fantail – 06/01/2006 Thank you for your rapid response. I will have my water tested by the local fish store. The body of water he is in has been set up for about two weeks. < The tank is probably going through a nitrogen cycle. This is where, after an accumulation of waste (to deadly levels) occurs, then the colonization of beneficial bacteria form. These bacteria will break down the fish waste into less toxic substances. It is most likely having a nitrite spike as we speak. Nitrites can toxify the bloodstream, and prevent oxygen from reaching the extremities. This could be why the goldfish is losing part of it's tail. The tank should be fully