Related Clues:

• Salad ingredient, perhaps
• Type of sandwich
• Skipjack relative
• Fish in a can
• Bluefin or yellowfin
• A sandwich filler
• 'The Old Man and the Sea' catch
• Salad addition, sometimes
• Skipjack
• Casserole option
• Salad ingredient, sometimes
• Saltwater catch, perhaps
• Fish in a melt
• Bluefin, e.g.
• Type of fish