mutum, Moenkhausia Dagosta [F. C. P.] & Marinho [M. M. F.] 2016:[2], Fig. 1 [Neotropical Ichthyology v. 14 (no. 2) e150052; ref. 34498] Stream at road Nobres-Nova Mutum, on the intersection before Nova Mutum, tributary of rio dos Patos, rio Arinos drainage, rio Tapajós basin, Mato Grosso, Brazil, 13°49'9"S, 56°10'53.9"W. Holotype: MZUSP 117071. Paratypes: CAS, MCP, MZUSP, ZUEC. •Valid as Moenkhausia mutum Dagosta & Marinho 2016 -- (Marinho & Dagosta 2023:6 [ref. 40358]). Current status: Valid as Moenkhausia mutum Dagosta & Marinho 2016. Characidae: Stethaprioninae. Distribution: South America: Rio Tapajós basin, Mato Grosso, Brazil. Habitat: freshwater.