Related Clues:

• Atoll feature
• ___ shark
• Pinkish-red
• Newspaper crossword accompanier
• Trebek offering
• Erosion by-product
• Skeletal deposit
• Coral buildup
• Atoll, essentially
• Coral construct
• Atoll's makeup
• This clue has one
• Great Barrier Reef makeup
• "Jeopardy!" clue, e.g.
• Ship wrecker