tamboensis, Ancistrus Fowler [H. W.] 1945:9, Figs. 13-15 [Notulae Naturae (Philadelphia) No. 159; ref. 13141] Satipo, upper Tambo basin, Río Ucayali drainage, Peru, elevation 600 meters. Holotype (unique): ANSP 71643. Type catalog: Böhlke 1984:125 [ref. 13621], Ferraris 2007:224 [ref. 29155]. •Valid as Ancistrus tamboensis Fowler 1945 -- (Isbrücker 1980:72 [ref. 2303], Ortega & Vari 1986:16 [ref. 9708], Burgess 1989:437 [ref. 12860], Isbrücker 2001:25 [ref. 25653], Isbrücker 2002:12 [ref. 27178], Fisch-Muller in Reis et al. 2003:378 [ref. 27061], Ferraris 2007:224 [ref. 29155], Meza-Vargas et al. 2021:25 [ref. 39298], Neuhaus et al. 2023:7 [ref. 40715]). Current status: Valid as Ancistrus tamboensis Fowler 1945. Loricariidae: Hypostominae. Distribution: South America: Tambo River drainage, upper Ucayali River basin, Peru. Habitat: freshwater.