What special ability does the noctiluca have? what is this special ability called? how does this special ability happen scientifically?

It can glow in the dark. The Noctiluca exhibits bioluminescence/mareel when disturbed, thi s is produced throughout the cytoplasm, by a luciferin-luciferase reaction in thousands of spherically shaped organelles, called scintillons.

They glow blue and it happens whens they are in groups