mutabilicolor, Trichomycterus Costa [W. J. E. M.] in Costa, Mattos, Lopes, Amorim & Katz 2022:5, Figs. 2, 3C-D, 4 [Zoological Studies v. 61: 11; ref. 39248] Cachoeira Mato Limpo, Riacho Pedacinho do Céu, Rio Taboão drainage, upper Rio Paraitinga drainage, Rio Paraíba do Sul basin, Município de Cunha, São Paulo State, Brazil, 23°09'25"S, 44°51'21"W, elevation about 1335 meters. Holotype: UFRJ 12650. Paratypes: CICCAA, UFRJ. •Valid as Trichomycterus mutabilicolor Costa 2022 -- (Vilardo et al. 2023:5 [ref. 40643]). Current status: Valid as Trichomycterus mutabilicolor Costa 2022. Trichomycteridae: Trichomycterinae. Distribution: South America: upper Rio Paraitinga drainage, Rio Paraíba do Sul basin (São Paulo State, Brazil). Habitat: freshwater.