Most of us are fascinated by bright, multi-coloured corals swinging with the water current and the waves. They are found in all colours we can possibly imagine. Though we have seen them in movies or television, they always intrigue us.
As beautiful as they are, these corals are extremely sensitive living organisms that live in warm and clean waters. Some are found in cold waters too. There are many types of corals, just as there are different kinds of fish in the sea.
They are often called the...
https://www.marineinsight.com/environment/10-famous-coral-reefs-in-the-world/