bororo, Rivulus Costa [W. J. E. M.] 2008:352, Figs. 1-2 [Ichthyological Exploration of Freshwaters v. 18 (no. 4) [for 2007]; ref. 29384] Swampy floodplans of córrego Buriti mouth, close to Santana River, upper Paraguay River basin, near the road MT-249 and the city of Arenápolis, 14°27'06"S, 56°49'00"W, Est. Mato Grosso, Brazil. Holotype: UFRJ 6500. Paratypes: UFRJ 6501 (5), 6502 (3 c&s), 6503 (2). •Valid as Melanorivulus bororo (Costa 2008) -- (Costa 2011:241 [ref. 31655], with date as 2007, Deprá et al. 2017:121 [ref. 35503]). Current status: Valid as Melanorivulus bororo (Costa 2008). Rivulidae: Rivulinae. Distribution: Upper Paraguay River basin, Brazil. Habitat: freshwater.