''Chirostomias pliopterus'' is a

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

barbeled dragonfish Stomiidae is a family of deep-sea ray-finned fish, including the barbeled dragonfishes. They are quite small, usually around 15 cm, up to 26 cm. These fish are apex predators and have enormous jaws filled with fang-like teeth. They are ...

found in the

Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth#Surface, Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Afr ...

. This species grows to a length of SL. This species is the only described member of its genus. This scaleless dragonfish was also the first discovered lifeform to emit a red light, with the second being a

siphonophore Siphonophorae (from Greek ''siphōn'' 'tube' + ''pherein'' 'to bear') is an order within Hydrozoa, which is a class of marine organisms within the phylum Cnidaria. According to the World Register of Marine Species, the order contains 175 species ...

of the genus ''

Erenna ''Erenna'' is a genus of cnidarians Cnidaria () is a phylum under kingdom Animalia containing over 11,000 species of aquatic animals found both in freshwater and marine environments, predominantly the latter. Their distinguishing feature is ...

''. Later, related

Stomiid Stomiidae is a family of deep-sea ray-finned fish, including the barbeled dragonfishes. They are quite small, usually around 15 cm, up to 26 cm. These fish are apex predators and have enormous jaws filled with fang-like teeth. They are ...

genera ''

Aristostomias ''Aristostomias'' is a genus of barbeled dragonfishes native to the ocean depths in the Pacific, Atlantic and Indian oceans. Red Light Bioluminescence Production of red light bioluminescence Similar to other deep-sea organisms that are ca ...

'', '' Malacosteus'' and '' Pachystomias'' were also found to emit red light.

References

* Stomiidae Taxa named by Charles Tate Regan Fish described in 1930 Taxa named by Ethelwynn Trewavas {{Stomiiformes-stub