The canning process does something remarkable to fish – it concentrates and preserves nutrients in ways that often exceed fresh fish nutritional profiles.

Some options like canned salmon and sardines even have added nutritional perks because the canning process softens the bones, making these fish an excellent source of calcium.

California's salmon season has just been canceled, so if you're jonesing for that fish, you're going to have to go smoked or canned. These are the best -- and worst -- canned options at supermarkets.