I posted recently about my Peppermint shrimp taking a liking to a pulsing Xenia in my tank.
The Xenia in question has now taken to remaining completley withdrawn. It slightly extends some of its polyps about 3/4 of an inch and they dont look particularly healthy. It used to be big and bushy with a 2-3 inch reach. Its also developed a white dusting and its anchor has lifted slightley in the middle. Whether this is through being attacked or its natural I dont know.
I have 3 of these corals and the other 2 are perfectly fine.
Can anyone tell me if this Xenia is dying and should be removed? If so, how do I go about it? My lfs
(whom I am not totally confident with) says just leave it as it will probably regenerate and be back to normal in no time.
Water tests show no spikes and all is well.
Help me help me poor Xenia