Dec 27, 2012 #1 Canterthefishman Aquarium Advice Freak Joined May 4, 2011 Messages 246 It is on my clownfish's gill, but he seams fine.
Dec 27, 2012 #2 G Greenpillow Aquarium Advice Activist Joined Jan 10, 2012 Messages 189 Location Louisiana Prob some type of parasite.