pique, Hatcheria MacDonagh [E. J.] 1938:171, Figs. 23-24 [Revista del Museo de La Plata, Sección Zoología N. S., v. 1 (no. 5); ref. 17156] Río Colorado, near la estación Pedro Luro del F.C.S., Argentina. Holotype (unique): MLP 2014 [ex 15-X-36-12]. Type catalog: Ferraris 2007:405 [ref. 29155], Miquelarena & Nadalin 2014:11 [ref. 33466]. •Valid as Trichomycterus pique (MacDonagh 1938) -- (Burgess 1989:322 [ref. 12860]). •Synonym of Hatcheria macraei (Girard 1855) -- (Arratia & Menu-Marque 1981:99 [ref. 6024], de Pinna & Wosiacki in Reis et al. 2003:274 [ref. 27061], Ferraris 2007:405 [ref. 29155], Fernández et al. 2015:9 [ref. 35041], Mirande & Koerber 2015:36 [ref. 35117]). Current status: Synonym of Hatcheria macraei (Girard 1855). Trichomycteridae: Trichomycterinae. Habitat: freshwater.