Sniperhank said:That is a symphodium. Nice pickup! One of my all time favorites. I remember 8 months ago when they first started showing up (atleast while i've been in the hobby) and I had to have one. After awhile all those little spots will connect and you'll have one rock covered in polyps. Mine like a higher flow, like my star polyps if that helps you get all of the polyps to open up since some of them are near the bottom of the rock.