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					Originally Posted by  Myka
					 
				 
				Ohhhh I can tell now!  That is what brain corals do when they are being aggressive.  That is brain coral guts.  He is trying to digest his neighbour.     
			
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 CRAZY!  I NEED TO WATCH FOR THIS!
I just relocated my brain coral next to one of my Acans.  I never knew they were aggressive like that.
Does it do this at night?  Daytime?  ANYTIME?