Related Clues:

• Snorkeling destination, perhaps
• Respond
• A kind of knot
• Boating hazard
• This one requires six letters
• Great Barrier, e.g.
• Offering from Trebek
• Pick up, in a way
• Reef growth
• Pinkish yellow
• Site of a shipwreck, perhaps
• Reef type
• Solution
• Question, on 'Jeopardy!'
• Exam-sheet entry