giarettai, Rivulus Costa [W. J. E. M.] 2008:92, Figs. 1-2 [Ichthyological Exploration of Freshwaters v. 19 (no. 1); ref. 29718] Stream ributary to Araguari River crossing road between Uberaba and Nova Ponte, Municápio de Nova Ponte, Paranaíba River drainage, upper Paraná River, 19°19'51"S, 47°44'07"W, Estado de Minas Gerais, Brazil, elevation 946 meters. Holotype: UFRJ 6488. Paratypes: UFRJ 6489 (2), 6490 (18), 6491 (4), 6492 (8), 6493 (4), 5402 (24). •Valid as Melanorivulus giarettai (Costa 2008) -- (Costa 2011:241 [ref. 31655], Nielsen et al. 2016:87 [ref. 34407], Volcan et al. 2017:92 [ref. 35156], Volcan et al. 2018:275 [ref. 35895]). Current status: Valid as Melanorivulus giarettai (Costa 2008). Rivulidae: Rivulinae. Distribution: Middle Araguari River drainage, upper Paraná River basin, Brazil. Habitat: freshwater.