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View Full Version : What is this growing on my Acropora?


ThRoewer
02/27/2015, 03:37 PM
What is this on my coral:

http://www.reefcentral.com/forums/attachment.php?attachmentid=309488&stc=1&d=1425075417

I noticed this a while ago, first on a favia and then on this acropora. It looks like some form of hydroid polyp. It seems to penetrate the coral tissue and attach to the skeleton.
So far I can't see that it is doing any direct harm but now I noticed this or something similar also on other acroporas.

What is it and how to get rid of it?

smtank
02/27/2015, 03:55 PM
Looks like hydroids to me as well.

Eastone
02/27/2015, 04:00 PM
I see these too, they don't seem to cause issues but my new dwarf angel has been picking at them