Aquarium Forum http://forum.aqua-fish.net/ A forum devoted to aquarium fish, plants, techniques and fish keeping as a whole. en yellow tang and bicolor blenny scratching!<script language='JavaScript' type='text/javascript'> <!-- --> </script> http://forum.aqua-fish.net/?topic=yellow-tang-and-bicolor-blenny-scratching-#1 so I don't know what the problem is, both my yellow tang and bicolor blenny are scratching. they are the newest additions to my tank, could it be they are asserting dominance and getting used to the tank? PLEASE REPLY! cow fish 2013-04-29