First choice would be one of the Savage O/U, in .22 LR and either .410 or 20 bore. Second choice would be my Ruger single action in .32 H&R. I could eat well with either.
Don't discount the .22 for fishing OR killing (not hunting) deer. Have a friend who used to fish his catfish pond with a S&W K-22. He'd toss out a handful of feed, and shoot them in the head, then scoop 'em up with a dip net. Mrs. Charley's grandfather killed a couple of boxcar loads of whitetails during his life with a single shot Mossberg .22.