Still having issue with my new Naso Tang
			 
			 
			
		
		
		
		Purchased him 3 1/2 weeks ago.  Developed the initial black 'mark' just 4 or 5 days ago which has moved to where it is as of yesterday.  Any ideas what this is?  Does not seem to bother him. Eats like a football lineman. 
 
Thanks! 
		
	
		
		
		
		
		
		
						  
				
				Last edited by newreefer_59; 06-21-2010 at 05:57 PM.
				
				
			
		
		
	
		
		
	
	
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