Enjoyed this sir. When I was a young child my parents took me to a beach called La Parguera in Puerto Rico. We went on a boat ride for a out half an hour that took us to “las aguas Flourescentes”, literally means Fluorescent waters, or in English its called phosphourescent bay. There was and still are fluorescent plankton on this bay. As you approach the bay you can see the water lighting up behind the boat from the turbulance of the propeller. The closer you get, the brighter it gets. The boat stops after a while and they let you swim in the water and as you swim and splash yhe water lights up quite brightly. Also when fish swim by you can see a trail of light behind them. Awesome place. I am sure there are other places like this. Of course it was at night that we did this. Great post. Thanks.