paresi, Rivulus Costa [W. J. E. M.] 2008:354, Figs. 3-4 [Ichthyological Exploration of Freshwaters v. 18 (no. 4) [for 2007]; ref. 29384] Swampy floodplains of stream tributary to Sepotuba River, upper Paraguay River basin, near road MT-338, 2 kilometers of Progresso, Tangará de Serra, 14°38'40"S, 57°20'41"W, Est. de Mato Grosso, Brazil, elevation 500 meters. Holotype: UFRJ 6505. Paratypes: UFRJ 6506 (11), 6507 (4, c&s), 6508 (3). •Valid as Melanorivulus paresi (Costa 2008) -- (Costa 2011:241 [ref. 31655] with date as 2007, Deprá et al. 2017:121 [ref. 35503]). Current status: Valid as Melanorivulus paresi (Costa 2008). Rivulidae: Rivulinae. Distribution: Rio Sepotuba, Upper Paraguay River basin, Brazil. Habitat: freshwater.