Related Clues:

• Do some shoal-searching
• Diving gear
• Submarine ventilation device
• Cousteau invention
• ___ diving
• Look at coral reefs, maybe
• Dive among coral reefs, say
• Take a dive, perhaps
• Breathe deeply?
• Diver's tank
• Diver's device
• Breathing tube
• View coral reefs, maybe
• Underwater swimmer's gear
• Underwater activity