It might be just pressure from the other fish in the tank I have the same thing with my new gold ram. There was some aggression from a Bolivian ram in the tank. I am just keeping an eye on it. The gold ram just looks scarred and just as you stated on the bottom.
Will have to give it a little time and see might need to add more cover(plants).
Will have to give it a little time and see might need to add more cover(plants).