Priocharax marupiara is a minute species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This fish is found in Brazil.Mattox, G.M.T., R. Britz, C.S. Souza, A.L.S. Casas, F.C.T. Lima and C. Oliveira, 2023. Two new species of miniature tetras of the fish genus Priocharax from the Rio Juruá drainage, Acre, Brazil (Teleostei: Characiformes: Characidae). Canadian Journal of Zoology e-first:1-19.
Size This species reaches a length of .
Etymology The fish's name means, in the Nheengatu native common language, "luck" or "lucky in fishing", and in life in general.
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