Japan's Toyama Bay

This was an article published by Xray Magazine March 2020(Issue 97)

During early spring of each year, the firefly squids ascend to the surface and put on a transcendental show of their own—their luminous organs glow bright blue as they spawn and are agitated by waves on the ocean surface near the shoreline. This results in the shorelines being blanketed in blue jewels at night, a scene that attracts many people each year for this special, mystical encounter.

https://xray-mag.com/pdfs/articles/Travel_Japan_ToyamaBay_Voeller_97_protected.pdf