can anybody tell me when you can tell if a toalstool has had it. someone gave me a toalstool large but rip his foot off the rock been in my system for about a month now tried a rubber band to attach him but no signs of recovery was thinking of throwing it out today i have seen toalstool that had no real signs of life and all of a sudden bang they open. also have this nice looking what seems is a plate coral don't know what kind it is can any body help attached some pics hopes they help