If the little tentacles extend then they are yellow polyps, but from the picture they look like yellow Zoanthids imo. Of course, they could just be bleached out, but if they have been like this for a long period of time this is probably unlikely..
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.