February 16, 2009
I have had my rainbow shark in a large tank on his own for about 3 years now (hes about 5 years old.) He was fine last time i looked but has become ill sometime today.
The water levels are fine eg Nitrate level perfect and have been maintaining the tank perfectly too, changing a small amount of water every two or three days. Havent added anything new to the tank either.
He is now having to swim constantly to avoid floating to the top of the tank. I also saw him lying upside in his cave and on a seperate occasion in the last hour nose pointing directly down (lying in a north to south direction with tail at the north end) for a good few minutes behind the plants.
Just want to know what I can do to help.
February 8, 2008
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