Related Clues:

• Found on Elba, a strange gastropod
• Shell used for decoration
• Seafood sustaining sailor on solo voyage?
• Marine gastropod mollusc
• Shellfish's only rating, to begin with
• Sailor, with no one else present, produces seafood
• Sea-dweller — the Ancient Mariner, say, after throw of Death's dice?
• Shellfish sailor wanted ahead of sole
• Edible mollusc — on a bale (anag)
• Single sailor gets seafood
• A bishop on his own wants shellfish
• Tripe abruptly served with a shellfish
• Sailor taking drink around on 'The Sea-ear'
• A bachelor only taking shellfish
• Mother-of-pearl could have come from sailor on his own