i am thinking of what foods of what i have eaten i the past could pass off as raw paleo - caviar comes to mind. what do you think about it ?
Most (all?) commercially available caviar is salted and processed. If you can find it raw, perhaps from a fishmonger, it would be a great addition to a diet.
another thing that comes to mind is that bright red salmon stuff. but is it actually raw? or did they do something to it ?
The bright red stuff is farmed with color added. Wild salmon is darker and exponentially better for you. I really recommend going out of your way to make sure any of the fish you eat is wild and not farmed.
also i have to say both the caviar and salmon that i have tasted in the past seemed salty - is that inherent to it or did they add salt to preserve it ?
The caviar is definitely preserved with the salt. I don't see why salmon, even farmed, would be salty unless it's a piece of smoked salmon which they frequently do season.