noctivaga, Cyanogaster Mattox [G. M. T.], Britz [R.], Toledo-Piza [M.] & Marinho [M. M. F.] 2013:300, Figs. 1-8 [Ichthyological Exploration of Freshwaters v. 23 (no. 4) (for 2012); ref. 32526] Santa Isabel do Rio Negro, rock plateau along Rio Negro, near morth of Rio Urubaxi, 0°35'05.3"S, 64°49'12.2"W, Amazonas, Brazil. Holotype: MZSUP 111126. Paratypes: BMHN 20113.1.1.1-5 (5); INPA 37904 (4); MZUSP 112114 (22), 112115 (10), 112116 (32, 4 c&s); USNM 408448 (3). Plus non-type material. •Valid as Cyanogaster noctivaga Mattox, Britz, Toledo-Piza & Marinho 2013 -- (Thomaz et al. 2015:Add. 5 [ref. 33893], DoNascimiento et al. 2017:59 [ref. 35633], Urbano-Bonilla et al. 2018:86 [ref. 35773], Cortés Hernández et al. 2023:455 [ref. 40760]). Current status: Valid as Cyanogaster noctivaga Mattox, Britz, Toledo-Piza & Marinho 2013. Characidae: Stevardiinae. Distribution: South America: Amazon and Orinoco river basins (Brazil and Colombia). Habitat: freshwater.