Largest animal structure [Marine]
Last updated: October 16, 2017 at 5:04 am
Over 2000 km (1,243 miles) – The Great Barrier Reef is made up of over 900 islands and 3,400 reefs. It is the largest structure on the planet — visible from space — built by living organisms. The Great Barrier Reef is home to more than 1,500 species of fish, 400 species of coral, 4,000 types of mollusks and more than 200 species of birdlife.
The Great Barrier Reef World Heritage Values. Department of the Environment and Energy (Australia).
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.