Oligosarcus perdido (Characiformes, Characidae), a new species of freshwater fish from Serra da Bodoquena, upper Rio Paraguai basin, Brazil. Author Alexandre C. Ribeiro Author Marcel R. Cavallaro Author Otávio Froehlich text Zootaxa 2007 1560 43 53 http://www.zoobank.org/urn:lsid:zoobank.org:pub:3779DDFF-75D8-49AF-96C8-18942ED78EE2 journal article z01560p043 3779DDFF-75D8-49AF-96C8-18942ED78EE2 Oligosarcus bolivianus , MZUSP 26386 , 01 exe. Bolivia , Tarija , Rio Tomolosa .