Bioluminescence: The Ocean’s Night Lights
- Hannah Croysdill
- Apr 8, 2025
- 1 min read
As the sun sets and the deep darkness of nighttime in the middle of the ocean surrounds us, we don’t know which way to look. From above, we get an impressive view of the milky way, but below, we see some stars of a very different kind…. bioluminescent plankton!
Bioluminescence occurs when certain marine organisms, such as plankton, jellyfish, and squid, produce light through a chemical reaction. This process relies on a molecule called luciferin and an enzyme called luciferase. When oxygen is present, luciferase triggers a reaction with luciferin, resulting in the emission of light.
Why do they do this you may ask? Self-defence. When tiny plankton like dinoflagellates are disturbed or scared – like when a 2000 tonne research vessel hurtles towards them – they emit the light as a warning in attempt to scare off potential prey. Fascinating!
Qué buen artículo, muy bien estructurado y con un contenido que realmente aporta. Me gusta cómo se abordan los temas con profundidad pero sin perder la agilidad en la lectura. A veces, esa agilidad es lo que buscamos también en nuestro tiempo libre. Recientemente, me topé con un juego de plataformas muy simpático que me recordó a los clásicos, pero con un toque moderno. Es perfecto para esos breves descansos mentales que todos necesitamos, ofreciendo un desafío justo y mucha diversión sin complicaciones.
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Did the article talk about how these bioluminescent Retro Bowl 26 signals change in response to turbulence or mechanical stress (for example, when waves disturb the water)? I’ve seen some research that fluid shear or flow can actually trigger flashes in dinoflagellates.