Fireflies, anglerfish, and other creatures produce the chemicals luciferin pigment, which in presence of a catalyst called luciferase, react with Oxygen and create light which is known as Bioluminescence.
Fireflies, anglerfish, and other creatures produce the chemicals luciferin pigment, which in presence of a catalyst called luciferase, react with Oxygen and create light which is known as Bioluminescence.