Examples from literature

• All along the coast of Madagascar are coral reefs. 
• But when the tide is low, you can see a coral reef on Nikumaroro Island. 
• Coral reefs are a great home for animals and plants. 
• It’s 2,600 kilometers long, and it’s the world’s largest coral reef – and coral is a living thing. 
• Look at the colors of this coral reef! 
• Scientists study the ecology of Madagascar to learn how the warmer ocean affects the coral reefs. 
• This is bad for coral, and so it’s bad for the animals on coral reefs, too. 
• He found it a literal sandbank, surrounded by a coral reef mostly submerged. 
• If this theory be correct, the absence of coral reefs round Trinidad may help to account for the fact stated by Mr. Joseph, that poisonous fish are unknown in that island. 
• They wound their way among coral reefs and low islands scarcely visible above the water-line. 
• This island is scarcely accessible by boats, on account of coral reefs that surround it. 
• Towards morning, he steered out from among the dangerous coral reefs, and ran south straight before the wind.