I lost all my corals mostly in the past 1-2 months …I found zoa eating spiders nudibranches and who else knows my parameters are and been perfect but most of my coral died and very fast….now people say isopods are ok then they say they’re not ….could they of been the real reason my corals died? I’ve had this one tank over a year now most of the coral have been in there since week 2… pics of what I caught today inside a rock I broke up…one of them I believe actually was pregnant it’s almost like it had a ball sack on it