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What is the most bioluminescent place on earth?

Mosquito Bay, Puerto Rico Hidden on the southern coast of Vieques, off the east coast of mainland Puerto Rico, this narrow inlet widens into a dolphin-shaped bay of mangroves that protects the brightest occurrence of bioluminescence in the world according to Guinness World Records.



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There are five bioluminescent bays in the world and three of them are in Puerto Rico. Mosquito Bay, Laguna Grande and La Parguera. The other two are located in Luminous Lagoon in Jamaica and Halong Bay in Vietnam. A bioluminescent bay or bio bay is a body of water that glows.

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The Maldives — Mudhdhoo Island If you have seen photos of bioluminescence beaches, they are likely taken from the Maldives, or more specifically, on Mudhdhoo Island.

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1. Mosquito Bay, Puerto Rico. Hidden on the southern coast of Vieques, off the east coast of mainland Puerto Rico, this narrow inlet widens into a dolphin-shaped bay of mangroves that protects the brightest occurrence of bioluminescence in the world according to Guinness World Records.

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In fact, La Parguera is the only Puerto Rican bioluminescent bay that you can swim in. Because of this, La Parguera is also the least bright of the three bio bays in Puerto Rico as swimming can disrupt the fragile ecosystem dinoflagellates live in.

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The bay attracts hundreds of visitors mesmerized by its glowing waters that are activated when microscopic organisms are disturbed. But its murky waters also serve as a nursery for several species, including tiger, nurse, reef and hammerhead sharks.

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