My swallowtail angelfish seems to have this decently sized dark spot. There’s a smaller one on the other side too. I was wondering if it could be a disease or if it’s normal. It does seem to be eating and I have fed it a mix of focus and metroplex in case of infection
				
			 
	 
			 
			 
 
		 
						
					 
			 
			 
 
		 . Thanks for the help though!
. Thanks for the help though! 
 
		 
 
		 
 
		