chrysostiktos, Hypostomus Birindelli [J. L. O.], Zanata [A. M.] & Lima [F. C. T.] 2007:272, Figs. 1-2 [Neotropical Ichthyology v. 5 (no. 3); ref. 29280] Iaçu, rio Paraguaçu, Fazenda Santo Antonio at 10 kilometers from Vila São Vicente, 12°30'54.1"S, 39°22'53.9"W, Bahia State, Brazil, elevation 134 meters. Holotype: MZUSP 88157. Paratypes: many at ANSP, AUM, MCP, MNRJ, MZUSP and UFBA. •Valid as Hypostomus chrysostiktos Birindelli, Zanata & Lima 2007 -- (Zanata et al. 2013:247 [ref. 32751], Zanata & Pitanga 2016:231 [ref. 34535], Zawadzki et al. 2016:272 [ref. 34908], Zawadzki et al. 2017:12 [ref. 35355], Ramos et al. 2017:8 [ref. 35396], Zawadzki et al. 2017:571 [ref. 35666]). •Valid as Pterygoplichthys chrysostiktos (Birindelli, Zanata & Lima 2007) -- (Anjos et al. 2020:575 [ref. 37130], Silva et al. 2020:12 [ref. 37809], Vieira-Guimarães et al. 2024:48 [ref. 41258]). Current status: Valid as Pterygoplichthys chrysostiktos (Birindelli, Zanata & Lima 2007). Loricariidae: Hypostominae. Distribution: South America: Paraguaçu River basin, Bahia State (Brazil). Habitat: freshwater.