Quote:
Originally Posted by mr_convitbau  The black patches appear very randomly and as one whole but not distinct small spots. The patches' shapes vary without following any patterns. Some patches appear around the fish's face while the other can be on the side of the fish. |
Do the patches come and go or once they are these do they generally stay. You say they appear randomly but do they come up over night or are they gradual pigmentation changes? If the fish are otherwise happy then I don't think they will be a problem.