zebra, Hypancistrus Isbrücker [I. J. H.] & Nijssen [H.] 1991:348, Figs. 1-2 [Ichthyological Exploration of Freshwaters v. 1 (no. 4); ref. 19201] About 1 hr. upstream of Altamira by speedboat, anastomoses of Rio Xingu, Pará State, Brazil. Holotype: MZUSP 41668 [ex ZSM 27328]. Paratypes: INPA 4338 (20); MHNG 2513.24 (8); MZUSP uncat. (20); ZMA 120457 (10), 120655 (8); ZSM 27328 (1), 27438 (22 now 21), 27769-70 (27, 48), 27962-63 (56 now 16, 43). Type catalog: Ferraris 2007:249 [ref. 29155], Neumann 2011:267 [ref. 31652] •Valid as Hypancistrus zebra Isbrücker & Nijssen 1991 -- (Burgess & Finley 1996:169 [ref. 22901], Montoya-Burgos et al. 1998:367 [ref. 23850], Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Armbruster 2002:90 [ref. 25891], Fisch-Muller in Reis et al. 2003:387 [ref. 27061], Armbruster et al. 2007:62 [ref. 29036], Ferraris 2007:249 [ref. 29155], Tan & Armbruster 2016:123 [ref. 34145]). Current status: Valid as Hypancistrus zebra Isbrücker & Nijssen 1991. Loricariidae: Hypostominae. Distribution: Xingu River basin, Brazil. Habitat: freshwater.