tukana, Curculionichthys Roxo [F. F.], Dias [A. C.], Silva [G. S. C.] & Oliveira [C.] 2017:259, Figs. 2-3 [Zootaxa 4341 (no. 2); ref. 35655] Ribeirão Bofe, rio Tocantins basin, municipality of Estreito, state of Maranhão, Brazil, 06°53'55"S, 46°57'00"W. Holotype: MZUSP 123010. Paratypes: MZUSP. Plus non-type material. Type catalog: Oliveira et al. 2022:13 [ref. 39255]. •Valid as Curculionichthys tukana Roxo, Dias, Silva & Oliveira 2017 -- (Calegari et al. 2018:669 [ref. 36345], Koerber et al. 2022:51 [ref. 39235]). Current status: Valid as Curculionichthys tukana Roxo, Dias, Silva & Oliveira 2017. Loricariidae: Hypoptopomatinae. Distribution: South America: Rio Tocantins basin (northeastern Brazil). Habitat: freshwater.