You won't find a Shadow bass in the James. It does look very similar though.
It took me a little while to get this all figured out myself. But the more I caught and studied them, I finally think I figured it out.
The Shadow bass has dark blotches in a vertical pattern running down the side. It will have "freckles" dark spots on each scale, in parallel rows along the sides running from head to tail.
The Ozark bass will have it's freckles in a scattered pattern. Much like the scatter pattern of a shotgun if you will.
The freckles is really the best way to tell the difference. And knowing what watershed you caught it in. You will only catch Ozark Bass in White River, Pomme, and Sac drainages.
I kinda quit studying these critters a couple of years ago and need to resume. I had looked around on the net, like Google Images, but, found that it wasn't very accurate. It just picked images from differents sites that individuals said was one species or the other without any real validity. I need to target them again and take plenty of pictures and notations.