castelensis, Trichomycterus Costa [W. J. E. M.], Katz [A. M.] & Vilardo [P. J.] in Costa, Mattos, Barbosa, Vilardo & Katz 2023:23, Figs. 3E, 5E, 6E, 7E, 12 [Fishes v. 8: 474; ref. 40511] Small stream tributary to Rio Boa Sorte, Rio Guandu drainage, Rio Doce basin, Afonso Claudio Municipality, Serra do Castelo, Minas Gerais State, Brazil, 20°11'40"S, 41°03'42"W, elevation about 630 meters. Holotype: UFRJ 13481. Paratypes: CICCAA, UFRJ. •Valid as Trichomycterus castelensis Costa, Katz & Vilardo 2023. Current status: Valid as Trichomycterus castelensis Costa, Katz & Vilardo 2023. Trichomycteridae: Trichomycterinae. Distribution: South America: Rio Guandu drainage, Rio Doce basin, southeastern Brazil. Habitat: freshwater.