regani, Brachyhypopomus Crampton [W. G. R.], de Santana [C. D.], Waddell [J. C.] & Lovejoy [N. R.] 2017:762, Figs. 1j, 41 [Neotropical Ichthyology v. 14 (no. 4); ref. 35114] Mamirauá Reserve, cano do lago Rato, rio Solimões-Japurá floodplain, Amazonas drainage, Amazonas, Brazil, 03°02'41"S, 64°51'26"W. Holotype: MCP 47022. Paratypes: BMNH, INPA, MCP. Plus non-type material. Type catalog: Ferraris et al. 2017:[24] [ref. 35236]. •Valid as Brachyhypopomus regani Crampton, de Santana, Waddell & Lovejoy 2017 -- (Ferraris et al. 2017:[24] [ref. 35236], Dutra et al. 2021:12 [ref. 38178], Meza-Vargas et al. 2021:21 [ref. 39298], Taphorn et al. 2022:39 [ref. 41297]). Current status: Valid as Brachyhypopomus regani Crampton, de Santana, Waddell & Lovejoy 2017. Hypopomidae. Distribution: South America: Amazon, Orinoco and Essequibo rivers (Brazil, Ecuador, Guyana, Peru, Suriname and Venezuela). Habitat: freshwater.