Learn what is bioluminescence and why ocean waves glow blue during the night.
This beautiful worldwide phenomenon illuminates the ocean with a blue glow.
The light is created by bioluminescent dinoflagellates - plankton - which activates a blue glow when movement in the water occurs.
During the day, the plankton gathers energy from the sun and uses it to produce the blue glow.
Since their glow is controlled by circadian rhythms, the illumination effect only occurs at night.
The blue light is believed to be a defensive mechanism that startles predators and makes them vulnerable to predators of higher trophic levels.
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