We all saw this spectacle in ‘Life of Pi’ without realizing what it was! These are bioluminescent phytoplanktons called dinoflagellates. Bioluminescence is the production and emission of light (at night) by a living organism. Phytoplankton are photosynthesizing microscopic organisms that inhabit the upper sunlit layer of almost all oceans and fresh water bodies on Earth. They emit a protein called luciferase which helps them glow in the night.
There are several genera of dinoflagellates which are bioluminescent. Most of them … Read More