Watch #SeaFireflies Make Underwater Fireworks as They Seek Mates https://www.nytimes.com/2023/11/28/science/sea-fireflies-glowing.html  

Collective synchrony of mating signals modulated by ecological cues and social signals in #bioluminescent sea fireflies https://royalsocietypublishing.org/doi/10.1098/rspb.2023.2311

"The creatures behind the eerie light show are called #ostracods... Under a #microscope, you can make out an #ostracod’s shrimplike body encased in a see-through shell. A bizarre organ called the upper lip makes many ostracods bioluminescent"