i have a green bta that i got from a fellow reefer 3or4 months ago and it came attached to a rock where it stayed untill i put a good size piece of hydnophora about 10 inches away from it a week or so ago.it was content for a couple of days settling on the underside of a cave ,then started popping up between the rocks getting pretty close to some of my favorite corals.im getting a little nervous that it may come in contact with and possibly sting and damage some of my corals in its travels.i have softies ,lps and sps.what should i be worried most about,and should i discourage it from getting too comfortable in those areas with a light touch with a safe object untill it appears in a safe zone?any suggestions?