<a href=showthread.php?s=&postid=9361668#post9361668 target=_blank>Originally posted</a> by GMAX
Mycedium is very distinctive, every eye will be facing towards the edge of the coral ( not straight up ). Its not merulina either and be glad they have the worst sting of any LPS and may kill not so close by corals. It looks like an echino to me.