I purchased a rock with a coral on it about 1.5 month ago from a guy who was taking his tank down. I noticed this week about 5 what appear to be small bubble tip anenomes. I have dealt with aipstasia before and they don't look like aipstasia. They are only about 3/8" across but every tentacle definitely has a bubble tip. Anyone have an idea if bta can grow from tissue left on rock or other ideas.