Author: Spix & Agassiz, 1829
Remark: No revision; see Isbrücker and Nijssen (1988) for a discussion based on specimens identified as <i>Acanthicus hystrix</i> in Museum collections; 12S and 16S mitochondrial rRNA gene sequences used in a molecular phylogeny of Loricariidae by Montoya-Burgos et al. (1998: figs. 3,4,6; EMBL/GenBank Y08277, Y08325).
Comments: Reported to reach 70 cm TL (Ref. 2059).