Related Clues:

• Shell used for decoration
• Seafood sustaining sailor on solo voyage?
• Marine gastropod mollusc
• Seafood starter knocked off by ex
• Window won't open in shell
• Shellfish's only rating, to begin with
• Shellfish occurring in earlier times, but not with frequency
• Delicacy from Channel Islands or sea near Cherbourg
• Sailor, with no one else present, produces seafood
• Seafood consumed by poor mermaids
• Seafood starter's been taken off late
• Group doing rock climbing, pursuing golden shell
• Seafood displayed by poor merchants
• Sea-dweller — the Ancient Mariner, say, after throw of Death's dice?
• Through unopened window, see sea creature