Caiapobrycon

{{Short description|Species of fish}}

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| parent_authority = L. R. Malabarba & Vari, 2000

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| taxon = Caiapobrycon tucurui

| authority = L. R. Malabarba & Vari, 2000

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Caiapobrycon tucurui is a species of characin fish endemic to the Tocantins River basin in Brazil. This species is the only member of the genus Caiapobrycon and is named for the town of Tucuruí.Thomaz, A.T., Arcila, D., Ortí, G. & Malabarba, L.R. (2015): Molecular phylogeny of the subfamily Stevardiinae Gill, 1858 (Characiformes: Characidae): classification and the evolution of reproductive traits. BMC Evolutionary Biology, (2015) 15: 146.