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You can find out more about Coral Reefs by using this link http://kids.nceas.ucsb.edu/biomes/coralreef.html
Coral reefs are found in clear tropical oceans.
There are three different types of coral reefs, they are fringing reef, barrier reef and atolls
Coral reefs need water that is between 68 - 82°F (20 - 28°C), which is often located along the eastern shores of land.
The sun is the source of energy for the coral reef ecosystem.