свечение водных организмов
NASA: 80% океана до сих пор не исследовано
https://www.nationalgeographic.com/travel/article/see-the-oceans-glow-in-the-dark-world-on-a-fluorescent-night-dive
https://www.nationalgeographic.com/travel/article/see-the-oceans-glow-in-the-dark-world-on-a-fluorescent-night-dive