From what I’ve seen from Google images, I don’t think this is aiptasia, but I could be wrong. If not, any idea on what this is? Seems to be a very thin tube protruding from rock with short red/orange tentacles coming out of end of tube.
8 month old tank with live rock. Hopefully this zoomed in pic is ok.
8 month old tank with live rock. Hopefully this zoomed in pic is ok.