He is very bright looking. What does his belly look like? Is it clear? A picture of the paradox spot would be nice, as I'm not seeing anything. A paradox should he a white or faded part of his pattern that looks like someone dumped bleah on him. Of course, if he is anything other than a normal it could only be proven by breeding and see what he produces. An interesting dinker either way.

Yes, and get his mouth looked at. He could be in pain. I would also talk to whoever sold him to you if he is sick. That's not cool if you weren't pointed out the issue.