I can't really see the spots very well at all due to the first photo being blurry and then the second photo has the spots hidden in his neck folds (it's a horrible place to try to photograph, lol)...See if you can possibly get some clearer, more definitive photos if you can...
Have you tried to wash the dots off in warm water? Silly question I know, but certain things stick to them and their scales often...And FYI, even if this isn't what the spots are, but most vitamin powders turn reddish-orange when they get wet, and I've seen my guys get these colored dots all over them after they eat from the vitamin powder. And it's also hard to get off, it stains their skin so you have to let them soak in warm water for like 10-15 minutes and even use a soft toothbrush to gently brush them off in the warm water...