pinima, Rivulus Costa [W. J. E. M.] 1989:528, Figs. 4-4a [Revista Brasileira de Zoologia v. 6 (no. 3); ref. 14319] 37 kilometers east of Jataí, upper rio Paraná basin, 17°50'78"S, 51°24'13"W, Município de Rio Verde, Estado de Goiás, Brazil, elevation 782 meters. Holotype: MZUSP 39978. Paratypes: MZUSP 39979 (2), 39984 (2); plus non-type material. Type catalog: Huber 1992 [ref. 20639]. •Status uncertain -- (Huber 1992:361 [ref. 20639]). •Synonym of Rivulus pictus Costa 1989 -- (Costa 1995:212 [ref. 21883], Lazara 2001:283 [ref. 25711], Costa in Reis et al. 2003:538 [ref. 27061]). •Valid as Rivulus pinima Costa 1989 -- (Costa 2005:71 [ref. 28192], Costa 2006:162 [ref. 28875] in subgenus Melanorivulus, Costa 2006:55 [ref. 28876], Costa 2008:317 [ref. 29388], Costa 2008:85 [ref. 29717]). •Valid as Melanorivulus pinima (Costa 1989) -- (Costa 2011:241 [ref. 31655], Costa 2012:217 [ref. 32292], Nielsen & Pinto 2015:136 [ref. 33903], Nielsen et al. 2016:87 [ref. 34407], Volcan et al. 2017:92 [ref. 35156], Deprá et al. 2017:113 [ref. 35503]). Current status: Valid as Melanorivulus pinima (Costa 1989). Rivulidae: Rivulinae. Distribution: Claro and Bois river drainages, Paraná River basin, Brazil. Habitat: freshwater.