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[[ Moenkhausia Eigenmann ZBK ]]
The genus Moenkhausia ZBK was erected by Eigenmann (1903) and is currently defined by the presence of premaxillary teeth in two parallel rows, five or more teeth in the inner premaxillary tooth row, a completely pored lateral line, and scaled caudal-fin lobes (see Eigenmann, 1917). Presently, the genus comprises 63 valid species of small characids largely distributed in South America drainages of the Río Orinoco, Rio Amazonas, Rio Tocantins-Araguaia, Rio Paraguay, Rio Uruguay and Rio Doce. (Lima et al., 2003; Eschmeyer’s Online Catalog of Fishes, 2006).