montagi, Hyphessobrycon Lima [F. C. T.], Coutinho [D. P.] & Wosiacki [W. B.] 2014:168, Figs. 1-3 [Zootaxa 3872 (no. 2); ref. 33535] Igarapé Socó Barroso, tributary of rio Arapiuns, Juruti, Pará, Brazil, 2°27'54"S, 56°00'25"W. Holotype: MPEG 29970. Paratypes: ANSP, INPA, MCP, MPEG, ZUEC. Plus many non-type specimens. •Valid as Hyphessobrycon montagi Lima, Coutinho & Wosiacki 2014 -- (Zarske 2015:10 [ref. 33782], Moreira & Lima 2017:133 [ref. 35562], Faria et al. 2020:282 [ref. 37838]). Current status: Valid as Hyphessobrycon montagi Lima, Coutinho & Wosiacki 2014. Acestrorhamphidae: Hyphessobryconinae. Distribution: Rio Arapiuns drainage, Pará, Brazil. Habitat: freshwater.