Aug 6, 2012 #1 S smithce79 Aquarium Advice Regular Joined Jun 23, 2012 Messages 80 Can someone tell me whats this please? View attachment 111137 View attachment 111136
Aug 7, 2012 #2 Saltwater reef Aquarium Advice Freak Joined Aug 5, 2012 Messages 296 It's a type of parasite if you have a parasite eater aka a six line wrasse you should be fine.