Related Clues:

• Mother-of-pearl could have come from sailor on his own
• Seafood gives strength, it's said
• Sailor's only after marine creature
• Sailor only gets shellfish
• Ring during second operation for shallow dish
• Marine mollusc sailor single-handedly gathered
• Sailor only chasing seafood
• A good deal of sausage and shellfish
• Seafood concession welcoming visit
• Edible bivalve mollusc with a ribbed fan-shaped shell
• Shellfish and several cod rejected after potassium is extracted
• Sailor away from other crew members finds gastropod
• Edible shellfish with a pair of fan-shaped shells
• Sailor, with no one else present, produces an ear shell
• Sailor solely after shellfish