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
RE: https://bsky.app/profile/did:plc:q5dy2sxcoahc6hjkx4wv2ind/post/3kwyiihbtsr2a
RE: https://bsky.app/profile/did:plc:q5dy2sxcoahc6hjkx4wv2ind/post/3kwyiihbtsr2a