Paramyloplus taphorniParamyloplus taphorni, Taphorn's catabac, is a species of freshwater ray-finned fish belonging to the family Serrasalmidae, the pacus, piranhas and related species.LocationThis species is only known from Guyana.LengthThis fish is only close to the size of other ''Paramyloplus''EtymologyThe species is named in honor of American ichthyologist Donald C. Taphorn, in recognition of over four decades of contributions to Neotropical ichthyology, his extensive role in training South American ichthyologists, and his participation in the expedition during which the holotype was collected.