
Explore Vieques Biobay: A Must-See Puerto Rico Experience
In essence, a bioluminescent bay (or biobay) is a rare and fragile ecosystem. There is bioluminescence all over the world; however, few places classify as a biobay. Biobays are formed by microscopic single-cell organisms called dinoflagellates. When these organisms get agitated (i.e., when any object in the water splashes through), they release energy in the form of light. Consequently, they glow, illuminating anything that comes in contact with them, such as fish, the oars of a canoe, or people.