A new species of Characidium (Characiformes: Crenuchidae) from the rio Doce basin, Brazil

Abstract A new species of Characidium is described from the tributaries upper and middle rio Doce basin, Minas Gerais, Brazil. The distinguished most congeners, except C. cricarense, hasemani, helmeri, kalunga, pterostictum, schubarti, summus, travassosi by lacking scales in area between anterior limit isthmus margin cleithrum. differs aforementioned a series characters, including presence adipose fin, 2–4 anus anal two rows dentary teeth, parietal branch supraorbital canal, 4 scale above lateral line, absence conspicuous inclined dark bands on each caudal-fin lobe. further congeners with an unscaled ventral surface 33–34 pored line dashes caudal fin-rays not forming well-defined bands.