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					Originally Posted by  my2rotties
					 
				 
				I don't know what sex ours is but I say it's a him... He was a good fish until just recently. NOw he will charge and attack if you get too close. My hubby was moving a stag coral, and he thought it was falling down. Then he saw the clown swimming with a tip of it in his mouth. This is a rather large piece of coral and it was funny to watch. 
			
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 Depends on how old the specimen was when you purchased it and how long it's been solo in your tank. If it's been a year or so, it's likely changed into a female, especially since aggression has escalated recently.