minimus, Hyphessobrycon Durbin [M. L.] 1909:68 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1166] Cane Grove Corner, Guyana. Holotype: FMNH 52794 [ex CM 1193]. Paratypes: CAS 61753 [ex IU 11769] (2). Type catalog: Henn 1928:65 [ref. 12305], Ibarra & Stewart 1987:48 [ref. 12367]. •Valid as Hyphessobrycon minimus Durbin 1909 -- (Ortega & Vari 1986:8 [ref. 9708], Lima & Malabarba in Reis et al. 2003:138 [ref. 27061], Dagosta et al. 2014:366 [ref. 33382], DoNascimiento et al. 2017:50 [ref. 35633], Meza-Vargas et al. 2021:18 [ref. 39298], Taphorn et al. 2022:16 [ref. 41297]). Current status: Valid as Hyphessobrycon minimus Durbin 1909. Acestrorhamphidae: Hyphessobryconinae. Distribution: South America: Orinoco River basin (Guyana and Colombia); ?Peru. Habitat: freshwater.