I am concerned my coral beauty might have ich.I have a 150g tank with a yellw tang,regal tang,2 4 stripe damsels,a lawnmower blenny,2 Occellaris clown fish,peppermint shrim,snails,1 hermit,2 emerald crabs and anemone.And of ccourse the coral beauty. I have only had the angelfish for less then a...