Hemigrammus

Hemigrammus
Hemigrammus erythrozonus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Characiformes
Family:	Acestrorhamphidae
Subfamily:	Pristellinae
Genus:	Hemigrammus T. N. Gill, 1858 [1]
Type species
Poecilurichthys (Hemigrammus) unilineatus Gill 1858 [1]
Synonyms [1]
Aphyodite C. H. Eigenmann, 1912

Hemigrammus is a genus of freshwater ray-finned fishes belonging to the family Acestrorhamphidae, the American characins. The fishes in this genus are found in South America, including Trinidad, and commonly seen in the aquarium trade. These are medium-small tetras where the largest species reach up to around 11 cm (4.3 in).

Species

There are currently 55 recognized species in this genus: ^[2]

• Hemigrammus amacayacu Albornoz‐Garzón, Méndez‐López, DoNascimiento & Lima, 2019
• Hemigrammus analis Durbin, 1909
• Hemigrammus apiaka (Esguícero & Castro, 2017)
• Hemigrammus arua F. C. T. Lima, Wosiacki & C. S. Ramos, 2009
• Hemigrammus ataktos Marinho, D'Agosta & Birindelli, 2014 ^[3]
• Hemigrammus barrigonae C. H. Eigenmann & Henn, 1914
• Hemigrammus bellottii (Steindachner, 1882)
• Hemigrammus boesemani Géry, 1959
• Hemigrammus brevis Durbin, 1911
• Hemigrammus changae Ota, F. C. T. Lima & Hidalgo, 2019
• Hemigrammus coeruleus Durbin, 1908
• Hemigrammus collettii (Steindachner, 1882)
• Hemigrammus copei (Steindachner, 1882)
• Hemigrammus cupreus Durbin, 1918
• Hemigrammus cylindricus Durbin, 1909
• Hemigrammus diagonicus Mendonça & Wosiacki, 2011 ^[4]
• Hemigrammus durbinae Ota, F. C. T. Lima & Pavanelli, 2015 ^[5]
• Hemigrammus eigenmanni (Géry, 1964)
• Hemigrammus elegans (Steindachner, 1882)
• Hemigrammus erythrozonus Durbin, 1909 (Glowlight tetra)
• Hemigrammus filamentosus Zarske, 2011 ^[6]
• Hemigrammus flavus (Britzke, Troy, Oliveira & Benine, 2018
• Hemigrammus gracilis (Lütken, 1875)
• Hemigrammus grammicus C. H. Eigenmann, 1912
• Hemigrammus hyanuary Durbin, 1918 (Costello tetra)
• Hemigrammus iota Durbin, 1909
• Hemigrammus kuroobi Reia & Benine, 2019
• Hemigrammus levis Durbin, 1908
• Hemigrammus lunatus Durbin, 1918 ^[7]
• Hemigrammus machadoi Ota, F. C. T. Lima & Pavanelli, 2014 ^[7]
• Hemigrammus mahnerti Uj & Géry, 1989
• Hemigrammus marginatus Durbin, 1911
• Hemigrammus megaceps Fowler, 1945
• Hemigrammus melanochrous Fowler, 1913
• Hemigrammus melogrammus C. H. Eigenmann, 1908
• Hemigrammus micropterus Meek, 1907
• Hemigrammus microstomus Durbin, 1918
• Hemigrammus mimus J. E. Böhlke, 1955
• Hemigrammus ora Zarske, Le Bail & Géry, 2006
• Hemigrammus orthus Durbin, 1909
• Hemigrammus parana Marinho, F. R. de Carvalho, Langeani & Tatsumi, 2008
• Hemigrammus pretoensis Géry, 1965
• Hemigrammus rodwayi Durbin, 1909 (Gold tetra)
• Hemigrammus rubrostriatus Zarske, 2015 ^[8]
• Hemigrammus schmardae (Steindachner, 1882)
• Hemigrammus silimoni Britski & F. C. T. Lima, 2008
• Hemigrammus stictus (Durbin, 1909)
• Hemigrammus taphorni Benine & G. A. M. Lopes, 2007
• Hemigrammus tocantinsi F. R. de Carvalho, Bertaco & Jerep, 2010
• Hemigrammus tridens C. H. Eigenmann, 1907
• Hemigrammus tupebas (Esguícero & Castro, 2017)
• Hemigrammus ulreyi (Boulenger, 1895)
• Hemigrammus unilineatus (T. N. Gill, 1858) (Feather-fin tetra)
• Hemigrammus vorderwinkleri Géry, 1963
• Hemigrammus xaveriellus Lima, Urbano-Bonilla & Prada-Pedreros, 2020

References

1. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Pristellinae". Catalog of Fishes . California Academy of Sciences . Retrieved 24 October 2025.
2. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Hemigrammus". Catalog of Fishes . California Academy of Sciences . Retrieved 24 April 2025.
3. 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. doi:10.1590/1982-0224-20130091.
4. Mendonça, M.B.; Wosiacki, W.B. (2011). "A New Species of Hemigrammus from the Lower Amazon Floodplain (Characiformes: Characidae)". Copeia. 2011 (2): 211–215. doi:10.1643/CI-09-214.
5. 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. doi:10.11646/zootaxa.3948.2.4. PMID   25947773.
6. 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. doi: 10.3897/vz.61.e31134 .
7. 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. doi:10.1590/1982-0224-20130176.
8. 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. doi: 10.3897/vz.65.e31499 .