mamuruensis, Hyphessobrycon Faria [T. C.], Oliveira [C.], Monteiro [I. L. P.] & Lima [F. C. T.] 2025:5, Figs. 1-2, 3A-B [Neotropical Ichthyology v. 23 (no. 3); ref. 42414] Igarapé tributary of rio Mamuru, near comunidade Mamuru, Itaituba, Pará State, Brazil, 04°02'19.66"S, 56°15'24.5"W. Holotype: LBP 34880. Paratypes: LBP, MPEG, MZUSP, ZUEC. •Valid as Hyphessobrycon mamuruensis Faria, Oliveira, Monteiro & Lima 2025. Current status: Valid as Hyphessobrycon mamuruensis Faria, Oliveira, Monteiro & Lima 2025. Acestrorhamphidae: Hyphessobryconinae. Distribution: South America: upper Mamuru River drainage, Pará State, near the border with Amazonas State, Brazil. Habitat: freshwater.