so far ive had my tank raised true percula clown for a year come november, hes survived everything, 3 cycles(my mistakes of course) 15 and 20 degree temp changes, high and low salinty ect... never got ick, always happly swimging around, out of all the fish i had this one has lasted the longest and was NEVER picked on, im thinking about getting another one someday , but my next fishy(when time comes) is a royal gramma, never had luck with them, but i want 1... im thinking wesnday might be the day