mutucae, Hypostomus Knaack [J.] 1999:102, Figs. unnumbered [Tropical Fish Hobbyist v. 47 (no. 11); ref. 23866] Rio Mutuca, Mato Grosso State, Brazil. Holotype: MCP 28669. Paratypes: BZM 32923 (2). Type catalog: Ferraris 2007:257 [ref. 29155]. •Valid as Hypostomus mutucae Knaack 1999 -- (Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:19 [ref. 27178], Weber in Reis et al. 2003:360 [ref. 27061] with 28669 as holotype, Ferraris 2007:257 [ref. 29155] with a holotype, Zawadzki et al. 2010:719 [ref. 31074], Zawadzki et al. 2012:246 [ref. 32031], Zawadzki et al. 2014:103 [ref. 33233], Martins et al. 2014:7 [ref. 33617], Ramos et al. 2017:8 [ref. 35396], Zawadzki et al. 2018:[16] [ref. 35944], Zawadzki et al. 2019:[11] [ref. 37170], Zawadzki et al. 2021:110 [ref. 38157]). Current status: Valid as Hypostomus mutucae Knaack 1999. Loricariidae: Hypostominae. Distribution: Cuiabá River drainage, upper Paraguay River basin, Brazil. Habitat: freshwater.