Hollandichthys is a genus of characins endemic to rivers and streams in southern and southeastern Brazil from Rio Grande do Sul to Rio de Janeiro. These are small fish that reach up to in standard length. The currently recognized species in this genus are: Hollandichthys multifasciatus (C. H. Eigenmann & A. A. Norris, 1900) Hollandichthys taramandahy Bertaco & L. R. Malabarba, 2013 Genus named for zoologist-paleontologist William J. Holland (1848-1932), Director of the Carnegie Museums of Pittsburgh. References Characidae Taxa named by Carl H. Eigenmann