Related Clues:

• Listen carefully inside the ship at sea ... they're dangerous
• Predators showing quiet craft
• Disreputable lenders
• When cruising hear fish
• Hammerheads, e.g
• Hammerheads and others
• Predatory fish with an acute sense of smell
• Beasts observed from underwater cages
• Predators in pool halls
• San Jose skaters
• Animals that have existed longer than trees
• Ocean beasts that lack bones, surprisingly
• Society pays attention to water borne danger
• Science chief listens for marine creatures
• Subjects of Jimmy Buffett's "Fins"