pradensis, Trichomycterus Sarmento-Soares [L. M.], Martins-Pinheiro [R. F.], Aranda [A. T.] & Chamon [C. C.] 2005:291, Figs. 1- 6 [Ichthyological Exploration of Freshwaters v. 16 (no. 4); ref. 28518] Jucuruçu, rio Jucuruçu, 2 kilometers before the city of Jucuruçu on road Itamaraju-Jucuruçu, middle of rio Jucuruçu basin, 16°50'10"S, 40°08'40"W, Bahia, Brazil. Holotype: MNRJ 28483. Paratypes: Many lots at AMNH, ANSP, AUM, FLMNH, and MNRJ, Type catalog: Ferraris 2007:422 [ref. 29155]. •Synonym of Trichomycterus immaculatus (Eigenmann & Eigenmann 1889) -- (Reis & de Pinna 2022:55 [ref. 39360]). •Valid as Trichomycterus pradensis Sarmento-Soares, Martins-Pinheiro, Aranda & Chamon 2005 -- (Ferraris 2007:422 [ref. 29155], Barbosa & Costa 2011:308 [ref. 31672], García-Melo et al. 2016:237 [ref. 34471], Donin et al. 2020:16 [ref. 37395], Silva et al. 2020:13 [ref. 37809], Reis et al. 2020:7 [ref. 37862], Costa & Katz 2022:19 [ref. 38971], Vilardo et al. 2023:5 [ref. 40643]). Current status: Valid as Trichomycterus pradensis Sarmento-Soares, Martins-Pinheiro, Aranda & Chamon 2005. Trichomycteridae: Trichomycterinae. Distribution: South America: Rio Jucuruçu (Bahia, Brazil). Habitat: freshwater, brackish.