Free the Ocean Blog
Amazing Bioluminescent Organisms
Bioluminescence is the natural emission of light by living organisms
![](https://www.freetheocean.com/wp-content/uploads/2021/12/free-the-ocean-blog_image-1_pc-hotaruika-museum.jpg)
A ‘glow in the dark’ deep-sea species, the firefly squid.
Photo Credit: Hotaruika Museum
![](https://www.freetheocean.com/wp-content/uploads/2021/12/free-the-ocean-blog_image-2_pc-jeremy-bezanger.jpg)
Bioluminescent sea anemone.
Photo Credit: Jeremy Bezanger
![](https://www.freetheocean.com/wp-content/uploads/2021/12/free-the-ocean-blog_image-3_pc-david-slater-shutterstock.jpg)
A glowing bobtail squid, about the size of a walnut.
Photo Credit: David Slater via iStock
![](https://www.freetheocean.com/wp-content/uploads/2021/12/free-the-ocean-blog_image-4_pc-david-clode.jpg)
Bioluminescent corals produce light from proteins.
Photo Credit: David Clode
![](https://www.freetheocean.com/wp-content/uploads/2021/12/free-the-ocean-blog_image-5_pc-richard-a-mcmillin-shutterstock.jpg)
The sea is full of bioluminescent creatures, like this moon jellyfish.
Photo Credit: Richard A. McMillin via Shutterstock