| <i>hypostomus velhochico</i>, a new keeled <i>hypostomus</i> lacépède, 1803 (siluriformes: loricariidae) from the rio são francisco basin in brazil. | hypostomus velhochico sp. n., is described from the rio são francisco basin, in the states of minas gerais and bahia, brazil. the new species is mainly distinguished from its congeners by a combination of characters such as slender bicuspid teeth, dentaries angled more than 90 degrees, conspicuous keels along lateral series of plates, small roundish dark spots, one plate bordering supraoccipital, spots aligned along lateral series of plates, and by attaining small to medium size. hypostomus velh ... | 2017 | 29245625 |