tucurui, Caiapobrycon Malabarba [L. R.] & Vari [R. P.] 2000:316, Figs. 1-3, 5-6 [Ichthyological Exploration of Freshwaters v. 11 (no. 4); ref. 25074] Río do Peixe, tributary of Río Maranhão, Niquelândia, 14°28'S, 48°45'W, Goiás, Brazil. Holotype: MNRJ 14546. Paratypes: MCP 14393 (1 c&s), 15637-38 (1, 1), 20296 (1), 25011 (2, 1 c&s), 25012 (4); MNRJ 19523 (3); MZUSP 28856 (1), 40754 (1); USNM 326199 (3), 357179 (6). •Valid as Caiapobrycon tucurui Malabarba & Vari 2000 -- (Malabarba in Reis et al. 2003:120 [ref. 27061], Dagosta & Pastana 2014:578 [ref. 33181], Thomaz et al. 2015:Add. 5 [ref. 33893]). Current status: Valid as Caiapobrycon tucurui Malabarba & Vari 2000. Stevardiidae: Creagrutinae. Distribution: South America: Tocantins River basin, Brazil. Habitat: freshwater.