''Hoplerythrinus cinereus'' is a species of trahira (family

Erythrinidae The Erythrinidae are a family of fishes found in rivers and other freshwater habitats from Costa Rica south as far as Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the s ...

).''Hoplerythrinus cinereus''
at www.fishbase.org. It is a

tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred to ...

pelagic The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth (as illustrated on the right). The word ''pelagic'' is derived . The pelagic zone can be thought of as an imaginary cylinder or wa ...

freshwater fish Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments differ from marine conditions in many ways, especially the difference in levels of s ...

which is known from the

Island of Trinidad Trinidad is the larger and more populous of the two major islands of Trinidad and Tobago. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is often referred to as the southernmo ...

off northeastern

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th ...

. Males can reach a maximum

standard length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish m ...

of 20.2 cm. ''H. cinereus'' was originally described by T.N. Gill in 1858, as a species of ''

Hoplerythrinus ''Hoplerythrinus'' is a genus of trahiras found in Central and South America. The currently described species in this genus are: * '' Hoplerythrinus cinereus'' ( T. N. Gill, 1858) * '' Hoplerythrinus gronovii'' (Valenciennes Valenciennes ( ...

''.Gill, T.N., 1858 ef. 1750''Synopsis of the fresh water fishes of the western portion of the island of Trinidad, W. I.'' Annals of the Lyceum of Natural History of New York v. 6 (nos. 10-13): 363-430. It was listed as a valid species of ''

Erythrinus ''Erythrinus'' is a genus of relatively small trahiras, freshwater fish from tropical South America. Species There are currently two recognized species in this genus, but a possibly undescribed species In taxonomy, an undescribed taxon is a ...

'' by Osvaldo Takeshi Oyakawa in 2003.Oyakawa, O. T. 2003 Erythrinidae (Trahiras). p. 238-240. In R. E. Reis, S. O. Kullander and C. J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.

References

External links

''Hoplerythrinus cinereus''
at www.fishwise.co.za {{Taxonbar, from=Q3761848 Erythrinidae Taxa named by Theodore Gill Fish described in 1858