Luminous organisms in the ocean includealgae, some bacteria, jellyfish, worms and crustaceans.
In many cases, some marine animals acquire the ability to glow by swallowing bacteria or other luminous organisms. The Hawaiian bobtail squid is an example. There are also lantern-eyed fish with two eye lamps under the eyelids, also called flash fish. The light source comes from bacteria that grow on the head and absorb nutrients from the fish. , it will continue to shine.
Importance
The biological importance of luminescence: species identification, illumination, attraction of prey and scaring off enemies.
Bioluminescence is a behavioral manifestation of life activities, often linked to the survival and reproduction of a species. For example, many deep-sea fish snagluminous baits to attract their prey; some shrimp often secrete a light mist to confuse and escape predators during the breeding season; worms and other species use their luminescence to search for mates; Biological luminescence has many uses, such as mushroom luminescent lamps which can be used as security lighting for gunpowder magazines.