Anglerfish: This deep-sea fish has a lure on its head that attracts prey and mates. The lure is filled with bacteria that allows the fish to make its own light.
Fireflies: Fireflies have light-generating structures in their abdomens that produce light when luciferin reacts with oxygen.
Jellyfish: More than half of all jellyfish species can produce some kind of bioluminescence to deter predators.
Firefly squid: These small squids, found in the waters around Japan, use their glowing ability to camouflage.
Lanternfish: These deep-sea sharks are able to bioluminesce.
Black dragonfish: These scaleless fish with sharp teeth are found in deep sea habitats. They have specialized organs called photophores that produce light.
Comb jellies: Most species of comb jelly can glow in the dark, usually in response to some kind of disturbance.
This information is not DNA’s opinion but obtained from media reports.