the easiest way is to skin it,lay it flat and scrap with a BIG spoon, scrap with the scales, (from nose to tail).when you get all the (slim) and tissue off , staple to a board and salt it down. leave for a couple of weeks. brush off the extra salt.trim and put it on a board and hang it on wall.
it will look a lot better after you get it on you good board, brush with neets foot oil, several times.Finished