Spintherobolus is a genus of characins that are endemic to river basins in southern and southeastern Brazil from Santa Catarina to Rio de Janeiro. All four species in the genus are considered threatened by Brazil's Ministry of the Environment. They are small fish, up to in standard length. Species There are four currently recognized species: Spintherobolus ankoseion S. H. Weitzman & L. R. Malabarba, 1999 Spintherobolus broccae G. S. Myers, 1925 Spintherobolus leptoura S. H. Weitzman & L. R. Malabarba, 1999 Spintherobolus papilliferus C. H. Eigenmann, 1911 References Characidae Fish of South America Fish of Brazil Endemic fauna of Brazil