''Hemigrammus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

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 ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Characidae Characidae, the characids or characins is a family of freshwater subtropical and tropical fish, belonging to the order Characiformes. The name "characins" is the historical one, but scientists today tend to prefer "characids" to reflect their st ...

native to

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

(including

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 southernmos ...

) and commonly seen in the

aquarium An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...

trade. These are medium-small

tetra Terrestrial Trunked Radio (TETRA; formerly known as Trans-European Trunked Radio), a European standard for a trunked radio system, is a professional mobile radio and two-way transceiver specification. TETRA was specifically designed for use by go ...

s where the largest species reach up to around .

Species

There are currently 59 recognized species in this genus: * '' Hemigrammus aereus''

Géry Géry () is a commune in the Meuse department in Grand Est in north-eastern France. See also *Communes of the Meuse department The following is a list of the 499 communes of the Meuse department of France. The communes cooperate in the follo ...

, 1959 * ''

Hemigrammus aguaruna ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' F. C. T. Lima, Corrêa &

Ota OTA or ota may stand for: Art, entertainment, and media * ''Off the Air'', an Adult Swim television series * Otakon, an annual anime convention in Baltimore, Maryland Electronics, science, and technology * Ochratoxin A (also termed OTA), a mycoto ...

, 2016 Lima, F.C.T., Correa, V. & Ota, R.P. (2016): A new species of ''Hemigrammus'' Gill 1858 (Characiformes: Characidae) from the western Amazon basin in Peru and Colombia. ''aqua, International Journal of Ichthyology, 22 (3): 123-132.'' * ''

Hemigrammus analis ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' Durbin, 1909 * ''

Hemigrammus arua ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' F. C. T. Lima, Wosiacki & C. S. Ramos, 2009 * ''

Hemigrammus ataktos ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

Marinho Marinho is both a given name and a Portuguese surname. Notable people with the name include: ;Given name * Marinho Peres (born 1947), a Brazilian footballer ;Surname * António Marinho e Pinto (born 1950), Portuguese lawyer and former journalist, ...

, D'Agosta & Birindelli, 2014 Marinho, M.M.F., Dagosta, F.C.P. & Birindelli, J.L.O. (2014): ''Hemigrammus ataktos'': a new species from the rio Tocantins basin, central Brazil (Characiformes: Characidae). ''Neotropical Ichthyology, 12 (2): 257-264.'' * ''

Hemigrammus barrigonae ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' C. H. Eigenmann &

Henn Henn is a both a surname and an Estonian masculine given name. Notable people with the surname include: ;As a given name: * Henn-Ants Kurg (1898–1943), Estonian military colonel and diplomat * Henn Pärn (born 1941), Estonian politician * ...

, 1914 * ''

Hemigrammus bellottii ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' (

Steindachner Franz Steindachner (11 November 1834 in Vienna – 10 December 1919 in Vienna) was an Austrian zoologist, ichthyologist, and herpetologist. He published over 200 papers on fishes and over 50 papers on reptiles and amphibians. Steindachner describ ...

, 1882) * ''

Hemigrammus bleheri ''Hemigrammus bleheri'' is a species of characin found in Amazon Basin in Brazil and Peru. One of three species called rummy-nose tetra, but is also called firehead tetra according to FishBase. Reaching a standard length of 2" (5 cm) it is ...

& Mahnert, 1986 (Fire-head tetra) * '' Hemigrammus boesemani''

, 1959 * '' Hemigrammus brevis'' Durbin, 1911 * ''

Hemigrammus coeruleus ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' Durbin, 1908 * ''

Hemigrammus cupreus ''Hemigrammus'' is a genus of freshwater fish in the family (biology), family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to ar ...

'' Durbin, 1918 * ''

Hemigrammus cylindricus ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' Durbin, 1909 * ''

Hemigrammus diagonicus ''Hemigrammus'' is a genus of freshwater fish in the family (biology), family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to ar ...

Mendonça Mendonça () is a Portuguese and Galician surname of Basque origin. It sometimes appears as the anglicized forms ''Mendonca'' or ''Mendonsa''. The Spanish variant is Mendoza. The name has been often linked with royalty. The name may refer to: ...

& Wosiacki, 2011 Mendonça, M.B. & Wosiacki, W.B. (2011): A New Species of ''Hemigrammus'' from the Lower Amazon Floodplain (Characiformes: Characidae). ''Copeia, 2011 (2): 211-215.'' * ''

Hemigrammus durbinae ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

, F. C. T. Lima & Pavanelli, 2015 Ota, R.P., Lima, F.C.T. & Pavanelli, C.S. (2015): A new species of ''Hemigrammus'' Gill, 1858 (Characiformes: Characidae) from the central and western Amazon and rio Paraná-Paraguai basins. ''Zootaxa, 3948 (2): 218–232.'' * '' Hemigrammus elegans'' (

, 1882) * ''

Hemigrammus erythrozonus ''Hemigrammus erythrozonus'', commonly known as the glowlight tetra, is a small tropical fish from the Essequibo River, Guyana, South America. It is silver in colour and a bright iridescent orange to red stripe extends from the snout to the bas ...

'' Durbin, 1909 (Glowlight tetra) * '' Hemigrammus falsus'' Meinken, 1958 * '' Hemigrammus filamentosus'' Zarske, 2011 Zarske, A. (2011): ''Hemigrammus filamentosus'' spec. nov. – der Südamerikanische Fadensalmler, ein neuer Salmler (Teleostei: Characiformes: Characidae) aus dem Araguaya-Becken in Brasilien. ''Vertebrate Zoology, 61 (1): 3-12.'' * '' Hemigrammus geisleri'' Zarske &

, 2007 * '' Hemigrammus gracilis'' ( Lütken, 1875) * ''

Hemigrammus guyanensis ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

, 1959 * ''

Hemigrammus haraldi ''Hemigrammus'' is a genus of freshwater fish in the family (biology), family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to ar ...

, 1961 * ''

Hemigrammus hyanuary The Costello tetra is a species of characin from the Amazon basin and is found in Brazil and Peru. The specific name comes from Lake Hyanuary in Brazil. Other common names used in English are January tetra and green neon. The name "green neon" is ...

'' Durbin, 1918 (Costello tetra) * '' Hemigrammus iota'' Durbin, 1909 * '' Hemigrammus levis'' Durbin, 1908 * ''

Hemigrammus luelingi ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

, 1964 * ''

Hemigrammus lunatus ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' Durbin, 1918 * '' Hemigrammus machadoi''

, F. C. T. Lima & Pavanelli, 2014 Ota, R.P., Lima, F.C.T. & Pavanelli, C.S. (2014): A new species of ''Hemigrammus'' Gill, 1858 (Characiformes: Characidae) from the rio Madeira and rio Paraguai basins, with a redescription of ''H. lunatus''. ''Neotropical Ichthyology, 12 (2): 265-279.'' * ''

Hemigrammus mahnerti ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' Uj &

, 1989 * '' Hemigrammus marginatus'' Durbin, 1911 * ''

Hemigrammus matei ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' C. H. Eigenmann, 1918 * ''

Hemigrammus megaceps ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' Fowler, 1945 * ''

Hemigrammus melanochrous ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' Fowler, 1913 * ''

Hemigrammus micropterus ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

Meek Meekness is an attribute of human nature and behavior that has been defined as an amalgam of righteousness, inner humility, and patience. Meekness has been contrasted with humility alone insomuch as humility simply refers to an attitude towards o ...

, 1907 * ''

Hemigrammus microstomus ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' Durbin, 1918 * ''

Hemigrammus mimus ''Hemigrammus'' is a genus of freshwater fish in the family (biology), family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to ar ...

'' J. E. Böhlke, 1955 * '' Hemigrammus neptunus'' Zarske &

, 2002 * ''

Hemigrammus newboldi ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' ( Fernández-Yépez, 1949) * '' Hemigrammus ocellifer'' (

, 1882) * ''

Hemigrammus ora ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' Zarske, Le Bail &

, 2006 * '' Hemigrammus orthus'' Durbin, 1909 * '' Hemigrammus parana''

, F. R. de Carvalho, Langeani &

Tatsumi Tatsumi is a Japanese name. It may refer to: People Surname *Daiyū Tatsumi (born 1940), Japanese former sumo wrestler *Juri Tatsumi (born 1979), Japanese synchronised swimmer *Naofumi Tatsumi (1845–1907), Japanese general of the Imperial Army * ...

, 2008 * ''

Hemigrammus pretoensis ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

, 1965 * '' Hemigrammus pulcher'' Ladiges, 1938 (Garnet tetra) * ''

Hemigrammus rhodostomus The rummy-nose tetra (''Hemigrammus rhodostomus'') is a species of tropical freshwater characin fish originating in South America, popular among fishkeepers as an aquarium fish. One of many small tetras belonging to the same genus, it is on aver ...

'' C. G. E. Ahl, 1924 (Rummy-nose tetra) * ''

Hemigrammus rodwayi The gold tetra (''Hemigrammus rodwayi'') is a species of small freshwater fish in the family Characidae native to lowland South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisph ...

'' Durbin, 1909 (Gold tetra) * ''

Hemigrammus rubrostriatus ''Hemigrammus'' is a genus of freshwater fish in the family (biology), family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to ar ...

'' Zarske, 2015 Zarske, A. (2015)
''Hemigrammus rubrostriatus'' spec. nov. – ein neuer Salmler aus Kolumbien und Revalidierung von ''Hemigrammus falsus'' Meinken, 1958 (Teleostei: Ostariophysi: Characidae).
''Vertebrate Zoology, 65 (1): 3–14.'' * '' Hemigrammus schmardae'' (

, 1882) * '' Hemigrammus silimoni'' Britski & F. C. T. Lima, 2008 * '' Hemigrammus skolioplatus'' Bertaco & T. P. Carvalho, 2005 * '' Hemigrammus stictus'' ( Durbin, 1909) * ''

Hemigrammus taphorni ''Hemigrammus'' is a genus of freshwater fish in the family (biology), family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to ar ...

'' Benine & G. A. M. Lopes, 2007 * '' Hemigrammus tocantinsi'' F. R. de Carvalho, Bertaco & Jerep, 2010 * ''

Hemigrammus tridens ''Hemigrammus'' is a genus of freshwater fish in the family (biology), family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to ar ...

'' C. H. Eigenmann, 1907 * ''

Hemigrammus ulreyi ''Hemigrammus ulreyi'', commonly known as Ulrey's tetra, is a Paraguay River, Paraguayan tropical aquarium fish from the family Characidae named in honor of the biologist Albert B. Ulrey. It was originally named ''Tetragonopterus ulreyi'' in 18 ...

'' (

Boulenger Boulenger is a surname. Notable people with the surname include: * Benjamin Boulenger (born 1990), French footballer * Edward George Boulenger (1888–1946), British zoologist, director of aquarium at London Zoo * George Albert Boulenger (1858–1 ...

, 1895) * '' Hemigrammus unilineatus'' ( T. N. Gill, 1858) (Feather-fin tetra) * '' Hemigrammus vorderwinkleri''

, 1963 * ''

Hemigrammus yinyang ''Hemigrammus'' is a genus of freshwater fish in the family Characidae native to South America (including Trinidad) and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around . Species Th ...

'' F. C. T. Lima & L. M. Sousa, 2009

References

{{Taxonbar, from=Q134548 Characidae Freshwater fish genera Characiformes genera Taxa named by Theodore Gill