Hisonotus pachysarkos Zawadzki, Roxo & da Graça, 2016: 376, fig 1. Paratypes: 18 lots, 130 specimens — NUP 17247, 3 c&s, 34.0– 36.6 mm SL; NUP 5569, 19 (f), 29.9–40.45 mm SL, 7 (m), 35.4–36.4 mm SL, 4 c&s 29.5–36.9 mm SL; NUP 5570, 14 (f), 17.7–29.1 mm SL, 2 (m), 35.2–35.7 mm SL: Brazil, Paraná, Prudentópolis, rio Barra Grande, tributary of rio Ivaí, upper rio Paraná basin, 25°04’55”S, 51°10’35”W, C.H. Zawadzki & W.J. da Graça, 3 Apr 2007. NUP 1485, 11 (f), 19.4–39.7 mm SL, 8 (m), 31.7– 26.7 mm SL, 2 c&s 38.3–38.6 mm SL: Brazil, Paraná, Cândido de Abreu, rio Nestor, rio Ivaí basin, upper rio Paraná basin, 24°31’20”S, 51°27’01”W, J.D. Latini, 22 Nov 1994. NUP 2610, 2 (f), 34.1–38.3 mm SL: Brazil, Paraná, Prudentópolis, rio Cadeadinho, near UHE Patos, rio Ivaí basin, upper rio Paraná basin, 25°12’18”S, 50°56’36”W, J.D. Latini, 29 Nov 1994. NUP 4462, 1 sex not determined, 26.8 mm SL: Brazil, Paraná, Ivaiporã, rio Pindaúva, rio Ivaí basin, upper rio Paraná basin, 24°15’35”S, 51°39’01”W, D. R. Dolibaina, 27 Dec 2005. NUP 5548, 3 (m), 33.1–35.7 mm SL: Brazil, Paraná, Prudentópolis, rio Barra Bonita, rio Ivaí basin, upper rio Paraná basin, 25°02’S, 51°04’W, A. Maier, 2 Nov 2006. NUP 5568, 2 (f), 32.4–34.3 mm SL, 4 (m) 28.1–36.5 mm SL: Brazil, Paraná, Cambira, ribeirão Cambira, rio Ivaí basin, upper rio Paraná basin, 23°38’54”S, 51°29’58”W, C.H. Zawadzki, 21 Oct 2007. NUP 5618, 3 (f) 34.5–36.7 mm SL, 2 (m) 32.3–36.7 mm SL: Brazil, Paraná, Marialva, córrego Itys, tributary of córrego Caraná, rio Ivaí basin, upper rio Paraná basin, 23°32’01”S, 51°47’30”W, R. Delariva, 14 Nov 2007. NUP 11808, 1 (f), 39.2 mm SL, 1 (m), 32.9 mm SL: Brazil, Paraná, Marialva, córrego Itys, tributary of córrego Caraná, rio Ivaí basin, upper rio Paraná basin, 23°32’03”S, 51°46’26”W, R. Delariva, 19 Mar 2009. NUP 15226, 1 (m), 33.7 mm SL: Brazil, Paraná, Marialva, ribeirão Aquidabã, rio Ivaí basin, upper rio Paraná basin, 23°30’22”S, 51°50’50”W, E.L. Avancini & C.H. Graça, 10 Jun 2009. NUP 15380, 1 (m), 35.5 mm SL; NUP 16069, 3 sex not determined, 15.2–30.5 mm SL: Brazil, Paraná, Grandes Rios, rio das Antas II, rio Ivaí basin, upper rio Paraná basin, 24°12’52”S, 51°22’22”W, cols. W.J. da Graça, W.M. Domingues, F.A. Teixeira & R. J. da Graça, 15 Jan 2014. NUP 15819, 7 (f), 20.7–38.3 mm SL: Brazil, Paraná, Prudentópolis, rio Barra Grande, rio Ivaí basin, upper rio Paraná basin, 25°04’55”S, 51°10’35”W, W.J. da Graça, W.M. Domingues, F.A. Teixeira & R. J. da Graça, 20 Jan 2014. NUP 15942, 2 (f), 19.2–31.9 mm SL: Brazil, Paraná, Prudentópolis, unnamed stream, tributary of rio Papanduva, rio Ivaí basin, upper rio Paraná basin, 25°16’15”S, 50°51’00”W, W.J. da Graça, W.M. Domingues, F.A. Teixeira & R. J. da Graça, 21 Jan 2014. NUP 16058, 1 (f), 35.4 mm SL: Brazil, Paraná, Iretama, rio Tormentinha, rio Ivaí basin, upper rio Paraná basin, 24°23’21”S, 52°09’03”W, cols. W.J. da Graça, W.M. Domingues, F.A. Teixeira & R. J. da Graça, 28 Jan 2014. NUP 16379, 4 (f), 32.7–37.8 mm SL: Brazil, Paraná, Cândido de Abreu, rio Lajeado, rio Ivaí basin, upper rio Paraná basin, 24°32’26”S, 51°20’09”W, G.C. Deprá & F. Souza, 05 Apr 2014. NUP 16389, 9 (f), 29.7–40.8 mm SL, 13 (m), 31.6–38.1 mm SL: Brazil, Paraná, Cândido de Abreu, rio Maria Flora, rio Ivaí basin, upper rio Paraná basin, 24°36’32”S, 51°15’31”W, G.C. Deprá, F. Souza, 05 Apr 2014. Remarks: The standard length from the single specimen of lot NUP 4462 was incorrectly cited as 35.0 mm SL in the original description. The locality from the lot NUP 15226 was incorrectly stated as being from the rio Keller, rio Ivaí basin, upper rio Paraná basin, in the original description., Published as part of De Oliveira, Rianne C., Ota, Renata R., Deprá, Gabriel C., Zawadzki, Cláudio H., Pavanelli, Carla S. & Da Graça, Weferson J., 2022, Catalog of type specimens of the fish collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (NUP), Universidade Estadual de Maringá Paraná, Brazil, pp. 1-43 in Zootaxa 5128 (1) on page 16, DOI: 10.11646/zootaxa.5128.1.1, http://zenodo.org/record/6479497, {"references":["Zawadzki, C. H., Roxo, F. F. & da Graca, W. J. (2016) Hisonotus pachysarkos, a new species of cascudinho from the rio Ivai basin, upper rio Parana system, Brazil (Loricariidae: Otothyrinae). Ichthyological Exploration of Freshwaters, 26 (4), 373 - 383."]}