Hypostomus yaku Martins, Langeani & Zawadzki, 2014: 731, fig. 1.

Paratypes: 1 lot, 6 specimens —NUP 15348, 6, 29.8–58.1 mm SL (41.3–58.1 mm SL): Brazil, Goiás, Rio Quente, tributary of rio Piracanjuba, rio Quente basin, near water treatment station, rio Paranaíba drainage, upper rio Paraná basin, 17°46’32”S, 48°45’56”W, 618 meters a.s.l., F. Langeani, F. R. Carvalho & F.O. Martins, 7 Mar 2012 .