It's an incredible treat to see these organisms light up the water on dark nights. Whether it's an animal disturbing the water, or us to causing these guys to light up, it's a spectacular show. I've borrowed the definition from Wikipedia since honestly, I didn't know how to technically describe what was going on to my kids the first time we saw them. The next day I had the kids do a little research which was fun. I love how science comes to life while living on a sailboat and exploring new places.
is the production and emission of light by a living organism. It is a form of chemiluminescence. Bioluminescence occurs widely in marine vertebrates and invertebrates