The bioluminescent bay (also known as Puerto Mosquito, Mosquito Bay, or "The Bio Bay"), is considered the best example of a bioluminescent bay in the United States and is listed as a national natural landmark, one of the five in Puerto Rico. The luminescence in the bay is caused by a microorganism, the dinoflagellate Pyrodinium bahamense, which lights up whenever the water is disturbed, leaving a trail of blue neon.
A combination of factors creates the necessary conditions for bioluminescence: red mangrove trees surround water (organisms have been linked to mangrove forests even though mangroves are not necessarily associated with this species); a complete lack of modern development around the bay; the water is pretty cool and quite deep; and a small canal to the ocean keeps the dinoflagellates in the bay.
info: Vieques has a warm, relatively dry, tropical to subtropical climate. Temperatures vary little during the year, with average daily maximums ranging from 28 ° C to 28 ° C in July at 87 ° F (31 ° C) in July. The average daily minimums are less than about 10 ° F / 6 ° C.
Bioluminescent Bay
Address: Porto Rico
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