Science
What is Bioluminescence?
Bioluminescence is the production of light by living organisms through a chemical reaction inside their bodies. Fireflies, deep-sea fish, and some fungi glow this way — using it to attract mates, lure prey, or scare off predators.
See it, don’t just read it.
Watch a 2-minute lesson with voice + animation that explains bioluminescence.
Key things to understand
- 1It's light made by living things via chemical reactions.
- 2It produces 'cold light' with little heat.
- 3Fireflies, deep-sea creatures, and some fungi use it.
- 4Uses include attracting mates, luring prey, and defense.
Frequently asked questions
- What is bioluminescence?
- The ability of living organisms to produce light through a chemical reaction in their bodies.
- What animals are bioluminescent?
- Fireflies, many deep-sea fish and jellyfish, some plankton, and certain fungi.
- Why do organisms glow?
- To attract mates, lure or find prey, communicate, or defend against predators.