Hemigrammus
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.
Species
There are currently 55 recognized species in this genus:Hemigrammus amacayacu Albornoz‐Garzón, Méndez‐López, DoNascimiento & Lima, 2019Hemigrammus analis Durbin Ellis|Durbin], 1909Hemigrammus apiaka Hemigrammus arua F. C. T. Lima, Wosiacki & C. S. Ramos, 2009Hemigrammus ataktos Marinho, D'Agosta & Birindelli, 2014 Hemigrammus barrigonae C. H. Eigenmann & Henn, 1914Hemigrammus bellottii Hemigrammus boesemani Géry, 1959Hemigrammus brevis Durbin, 1911Hemigrammus changae Ota, F. C. T. Lima & Hidalgo, 2019Hemigrammus coeruleus Durbin, 1908Hemigrammus collettii Hemigrammus copei Hemigrammus cupreus Durbin, 1918Hemigrammus cylindricus Durbin, 1909Hemigrammus diagonicus Mendonça & Wosiacki, 2011 Hemigrammus durbinae Ota, F. C. T. Lima & Pavanelli, 2015 Hemigrammus eigenmanni Hemigrammus elegans Hemigrammus erythrozonus Durbin, 1909 Hemigrammus filamentosus Zarske, 2011 Hemigrammus flavus Hemigrammus grammicus C. H. Eigenmann, 1912Hemigrammus hyanuary Durbin, 1918 Hemigrammus iota Durbin, 1909Hemigrammus kuroobi Reia & Benine, 2019Hemigrammus levis Durbin, 1908Hemigrammus lunatus Durbin, 1918 Hemigrammus machadoi Ota, F. C. T. Lima & Pavanelli, 2014 Hemigrammus mahnerti Uj & Géry, 1989Hemigrammus marginatus Durbin, 1911Hemigrammus megaceps Fowler, 1945Hemigrammus melanochrous Fowler, 1913Hemigrammus melogrammus C. H. Eigenmann, 1908Hemigrammus micropterus Meek, 1907Hemigrammus microstomus Durbin, 1918Hemigrammus mimus J. E. Böhlke, 1955Hemigrammus ora Zarske, Le Bail & Géry, 2006Hemigrammus orthus Durbin, 1909Hemigrammus parana Marinho, F. R. de Carvalho, Langeani & Tatsumi, 2008Hemigrammus pretoensis Géry, 1965Hemigrammus rodwayi Durbin, 1909 Hemigrammus rubrostriatus Zarske, 2015 Hemigrammus schmardae Hemigrammus silimoni Britski & F. C. T. Lima, 2008Hemigrammus stictus Hemigrammus taphorni Benine & G. A. M. Lopes, 2007Hemigrammus tocantinsi F. R. de Carvalho, Bertaco & Jerep, 2010Hemigrammus tridens C. H. Eigenmann, 1907Hemigrammus tupebas Hemigrammus ulreyi Hemigrammus unilineatus Hemigrammus vorderwinkleri Géry, 1963Hemigrammus xaveriellus Lima, Urbano-Bonilla & Prada-Pedreros, 2020