Are you sure it is not just the dorsal spangling? If they do not look like bumps, then they are almost for sure spangling.
Does it look like this:
http://www.monsterfishkeepers.com/forums/picture.php?albumid=2697&pictureid=29927
Does it look like this:
http://www.monsterfishkeepers.com/forums/picture.php?albumid=2697&pictureid=29927