May 21, 2012 #1 Fish-guy Aquarium Advice Freak Joined Oct 15, 2011 Messages 270 Location Canada Can anyone find a name for these polyps? They just started growing on a piece of live rock Attachments image-421508061.jpg 138.4 KB · Views: 66
May 21, 2012 #2 Flreefer Aquarium Advice Addict Joined Feb 11, 2012 Messages 1,984 Location SW Florida I've always known them as Green Button polyps, but I've since learned they are a type of Palythoa.