Bioluminescence is everywhere. It is usually a proxy of healthy environments (rare today) When I worked in the Indian Ocean, sampling deep sea zooplankton, It was common to see a diversity of glowing copepods (and other species), showing different colours and blinking patterns. It was mesmerising

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From fish to fungi, the world is filled with beautiful glowing creatures. ๐Ÿ„๐ŸŸ Here are just a few of the many bioluminescent organisms present in various ecosystems around the planet. ๐ŸŒ๐Ÿงช ๐Ÿ–Œ๏ธ Infographic by Eleanor Mohren.

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You may find such glowing in healthy, growing coral reefs. But this is, unfortunately, rare, as most of the reefs are dead already.
Add: As the diving and snorkeling reefs in the Red Sea region are concerned.