What is the second largest reef in the world?

Interesting question.

The top three largest coral reef ecosystems in the world are:

1) Great Barrier Reef off the coast of Australia

2) Belize Barrier Reef

3) Florida Keys Reef Ecosystem

A coral reef ecosystem relies on teamwork between the coral animal (a type of cnidarians) and an algae called zooxannthellea.


  1. Yeah, I get to go to Belize this week. So excited.

  2. That’s wonderful! Can you take a picture to share with this post? Have fun.

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