Lanternfishes have light-producing organs on their bodies that are called photophores. This light is created by a chemical reaction, and it is one example of a phenomenon called bioluminescence.

A night view of dolphins swimming in blue-tinted bioluminescent waves in Marina del Rey, California, has captivated viewers on TikTok. The mesmerizing scene was captured in a video posted by Josh ...

But be aware: Bioluminescent algae that twinkle along the seascape can poison sea life from fish to sea turtles, so swimming is not advised. I remember the island coast of Vieques, outside Puerto ...