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Posted: Wed Dec 07, 2005 6:28 pm
by Jahdiel
Ok all joking aside, I just sold all our LR and several pieces that were in the back and did not get light had a yellow sponge on them that looked just like that. It also looks like star coral in a way.

Posted: Wed Dec 07, 2005 7:06 pm
by Amphiprion
Oscula do not retract when touched. If anything that looks like a sponge retracts, it may be an ascidian or sea squirt colony. I am still sticking to porites, since it is on a porites skeleton and looks like unhappy porites polyps. I have seen many mainly dead colonies with a few very small, lighter, tissue-covered areas like that.

Posted: Thu Dec 08, 2005 8:01 am
by snoopdog
Hmm I have sponge that looks like that.