What is the geographical term for a ring-shaped coral reef?

Correct answer: Atoll

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What people think about it: 4 Comments
Wen
Wen
Absolutely beautiful, and the water temperature is warmer. The amount of marine life found is amazing. Best place to go snorkeling.
brickmartian
brickmartian
Wen, The water is warmer because it is a volcano underneath! The warm water attracts the Flora and Aquatic life, and the rings help provide protection from Deep water predators!
sid
sid
Almost no atolls have active volcanoes, usually they start with a volcanic island and over millennia corals grow in the shallows, often with the island disappearing as the volcanic tufa erodes. They are warm because the water is heated by the sun
Cat Mom
Cat Mom
I got this one wrong. But, since it's a volcano I don't think I'd want to stay there long