
I have no idea what to do my harlequin rasbora is huge bigger then the other one and all my other fish look ok but this fish look pail, lost color, is fat, stays low to the bottom of the tank, swims crazy trying to get food, just wondering what is wrong because i don't want it to kill all my fish Someone please help
the one picture on the top left you see the two rasboras the one on the right is the normal one and other one bottom left is the messed up one see the difference
So if u know what is wrong please help thanks
All the other pictures are of sick fish