I don't see ich. Ich appears as small, white crumbs, many of them, on body parts or entire body. Surely, you can google for ich and the images of it - it is pretty hard to confuse with any other common disease.
Also, I suggest familiarizing yourself with the "Freshwater Diseases and Health Issues" forum here (front page of forums) -
http://www.monsterfishkeepers.com/forums/forum.php - lots and lots of info every fish-keeper would be prudent to know.
Looks like minor abrasions (from poor photos). If that's what they are - nothing much to worry about. If they never heal/change location, perhaps the catfish receives them in its cave/hiding spot. When/if it turns reddish/red = inflammation or a deep wound - that can be worrisome.