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Print version ISSN 1679-6225
ZAWADZKI, Cláudio H.; BIRINDELLI, José L. O. and LIMA, Flávio C. T.. A new armored catfish species of the genus Hypostomus Lacépède, 1803 (Siluriformes: Loricariidae) from the upper rio Xingu basin, Brazil. Neotrop. ichthyol. [online]. 2012, vol.10, n.2, pp. 245-253. ISSN 1679-6225. http://dx.doi.org/10.1590/S1679-62252012000200003.
A new armored catfish species of the genus Hypostomus is described from the upper rio Xingu basin, Mato Grosso State, Brazil. The new species is diagnosed from congeners by having high number of teeth (58 to 101, mean 77 on premaxilla, and 58 to 105, mean 80 on dentary), dark spots over body and fins, and abdomen mostly naked. The new species is known from the rapids of the rio Culuene, where it is sympatric with Hypostomus faveolus.
Keywords : Amazon basin; Cascudo; Hypostominae; rio Culuene; systematics.