This answer is a bit complicated. Coral is a complex organisms, made up of many polyps but functioning as a common organism. The lifespan between different types of coral can also vary greatly. For example, a stony coral colony has an average lifespan of about 5 to 10 years whereas star coral colonies can live for centuries. Individual polyp (individual coral organism) have different lifespans depending on species as well. A polyp on a common bumpy coral lives for about 2 to 3 years, but on smooth coral such as brain coral in the Caribbean, polyps do not die as the colony grows – some are known to live for centuries, up to 400 years.
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