I have a pet store with a 2 inch flagtail for 35.00 and want to know how long I can keep him in a 40 breeder with 4 cory's and 3 silverdollars..also what do you flagtail owners feed him? is he a herbivore only?
There is no "them" with these guys. Only keep 1 per tank. They will be fine at first, but they will slowly turn on each other killing the weakest one. Until you are left with the biggest strongest flagtail. They are very methodical killers, yet seem so peaceful. Even my old 220 couldn't house 2 of them at 6"+. That being said a 40g breeder should befine until around 5" or so for a single flagtail with your current stocking assuming filtration and wc's are adaquete