Neil is appropriate in addressing Aaron's comment, salmon (smoked or in any other case) is too oily and flakes to easily. Catfish is a nasty fish for this due to the frequency of very small bones (you don't want bones inside of a fried item). To think of this dish, http://socialmediainuk.com/story5504317/the-smart-trick-of-fish-fry-rochester-ny-that-no-one-is-discussing