Imagine living in complete darkness, where sunlight never reaches. How would you communicate, hunt, or escape danger? We often see in movies that the ocean shines at night, but what it is actually?
For many marine organisms, the answer is light. The amount of light which reaches deep in the ocean is very little so what does it is called when it shines?
This natural phenomenon, called bioluminescence, is produced through a chemical reaction involving luciferin, luciferase, and oxygen. But these glowing flashes aren’t meant to entertain us, they’re survival tools. Some animals use light to attract prey, others to confuse predators, while a few use it to find a mate in the vast darkness of the ocean.
The glowing waves we occasionally see on beaches are usually caused by microscopic plankton called dinoflagellates. When the water is disturbed by waves or footsteps, these tiny organisms emit a blue-green glow, turning the sea into a living light show.
Bioluminescence is a reminder that in nature, even darkness has its own language.
Bioluminescence is naturally rare in India because marine plankton blooms require very specific conditions like calm water and right temperatures. Light pollution is also a reason why it is rare in India.
Can you name some places where bioluminescence is seen in India?
MBH/DB