Why? Because you can! And pickle, and jam, or otherwise celebrate the resurgence of the domestic arts our forebears held so dear. Put on your best apron and step into our kitchen, won't you?
Another wonderfully tasty and easy thing to do with fresh salmon, gravlax is delicious sliced thin on toast or crackers, with cream cheese or spicy mustard sauce.
I've been canning my own fish at home for years now, ever since I lost some nice steelhead to freezer burn one year. Canning is easy, and canned fish can last for years in the pantry, assuming you don't eat it up long before that!