genus Hemigrammus

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Noun1.genus Hemigrammus - tetrasgenus Hemigrammus - tetras          
fish genus - any of various genus of fish
Characidae, family Characidae - tropical freshwater fishes of Africa and South America and Central America
tetra - brightly colored tropical freshwater fishes
References in periodicals archive ?
The genus Hemigrammus Gill, 1858 is one of the most speciose genera within the family Characidae, with 50 species currently recognized as valid (Lima et al.
yinyang constitute a monophyletic entity within the genus Hemigrammus, for which we suggest the informal name "Hemigrammus ocellifer species-group", referring to the best-known and most widespread species within the group.