Free the Ocean Blog

Amazing Bioluminescent Organisms

Bioluminescence is the natural emission of light by living organisms

A ‘glow in the dark’ deep-sea species, the firefly squid.
Photo Credit: Hotaruika Museum

Bioluminescent sea anemone.
Photo Credit: Jeremy Bezanger

A glowing bobtail squid, about the size of a walnut.
Photo Credit: David Slater via iStock

Bioluminescent corals produce light from proteins.
Photo Credit: David Clode

The sea is full of bioluminescent creatures, like this moon jellyfish.
Photo Credit: Richard A. McMillin via Shutterstock