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What is coral spawning?

15 September 2016, 2:54 pm

​coral spawning in Florida Keys National Marine Sanctuary

Once a year, on cues from the lunar cycle and the water temperature, entire colonies of coral reefs simultaneously release their tiny eggs and sperm, called gametes, into the ocean. The phenomenon brings to mind an underwater blizzard with billions of colorful flakes cascading in white, yellow, red, and orange.

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Original article: What is coral spawning?