quick question

[Nev]

Ok, so is this pic of a sick fish or a colour mutation?
http://i1118.photobucket.com/albums/k608/Nevdenton/2012-02-25181909-1.jpg It's not very old and seems to be eating fine.

[Ghoti]

Certainly looks odd to me.

[m.ingram]

I had a discus look just like that and it turned to be just a bruise .