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Video of a bioluminescent beetle Elateroidea. Bioluminescence is the production and emission of light by living organisms. It is a form of chemiluminescence. Bioluminescence occurs widely in marine vertebrates and invertebrates, as well as in some fungi, microorganisms including some bioluminescent bacteria, and terrestrial arthropods such as ...
The name Pyrosoma derives from the Greek words pyro, meaning "fire", and soma, meaning "body". Bioluminescence. Although many planktonic organisms are bioluminescent, pyrosome bioluminescence is unusual in its brilliance and sustained light emission, and evoked the following comment when seen by the eminent scientist Thomas Huxley at sea:
Bioluminescent plate. Bioluminescent bacteria are light-producing bacteria that are predominantly present in sea water, marine sediments, the surface of decomposing fish and in the gut of marine animals. While not as common, bacterial bioluminescence is also found in terrestrial and freshwater bacteria. [1]
Aequorea victoria, also sometimes called the crystal jelly, is a bioluminescent hydrozoan jellyfish, or hydromedusa, that is found off the west coast of North America. The species is best known as the source of aequorin (a photoprotein ), and green fluorescent protein (GFP); two proteins involved in bioluminescence.
Photophore. A photophore is a glandular organ that appears as luminous spots on various marine animals, including fish and cephalopods. The organ can be simple, or as complex as the human eye; equipped with lenses, shutters, color filters and reflectors, however unlike an eye it is optimized to produce light, not absorb it. [1]
Counter-illumination is a method of active camouflage seen in marine animals such as firefly squid and midshipman fish, and in military prototypes, producing light to match their backgrounds in both brightness and wavelength. Marine animals of the mesopelagic (mid-water) zone tend to appear dark against the bright water surface when seen from ...
Dinoflagellate. The dinoflagellates (from Ancient Greek δῖνος (dînos) 'whirling', and Latin flagellum 'whip, scourge') are a monophyletic group of single-celled eukaryotes constituting the phylum Dinoflagellata [5] and are usually considered protists. Dinoflagellates are mostly marine plankton, but they also are common in freshwater ...
Pegea confederata on a 1995 stamp from Azerbaijan. A salp (plural salps, also known colloquially as “sea grape”) or salpa (plural salpae or salpas [2]) is a barrel-shaped, planktonic tunicate in the family Salpidae. It moves by contracting, thereby pumping water through its gelatinous body; it is one of the most efficient examples of jet ...