melanopygius, Trichomycterus Reis [V. J. C.], Santos [S. A. dos], Britto [M. R.], Volpi [T. de A.] & de Pinna [M. C. C.] 2020:4, Figs. 1, 2f, 3, 4a, 5a, 6, 7a [Journal of Fish Biology v. 97 (no. 6); ref. 37862] Córrego dos Borges stream flowing into left bank of Risoleta Neves reservoir, Rio Doce basin, Rio Doce municipality, Minas Gerais State, Brazil, 20°12'21.63"S, 42°52'56.24"W. Holotype: MZUSP 123762. Paratypes: MNRJ, MZUSP. Plus additional non-type material. •Valid as Trichomycterus melanopygius Reis, Santos, Britto, Volpi & de Pinna 2020 -- (Costa & Katz 2022:19 [ref. 38971], Reis & de Pinna 2022:69 [ref. 39360], Vilardo et al. 2023:5 [ref. 40643]). Current status: Valid as Trichomycterus melanopygius Reis, Santos, Britto, Volpi & de Pinna 2020. Trichomycteridae: Trichomycterinae. Distribution: South America: Rio Doce basin (Minas Gerais, Brazil). Habitat: freshwater.