A new species of Jupiaba Zanata, 1997 (Ostariophysi, Characiformes, Characidae) from the rio Tocantins drainage, Brazil. Author Thiago N. A. Pereira Author Paulo H. F. Lucinda text Zootaxa 2007 1614 53 60 http://www.zoobank.org/urn:lsid:zoobank.org:pub:D553C255-E3DF-41BC-94F7-3979B8B4B02E journal article z01614p053 D553C255-E3DF-41BC-94F7-3979B8B4B02E [[ Animalia Characiformes Characidae Jupiaba genus Jupiaba Zanata ]] The definition of the genus Animalia Characiformes Characidae Jupiaba genus Jupiaba is based on six putative synapormorphies related to the structures of pelvic girdle and adjacent musculature (Zanata, 1997; Lima & Zanata, 2005). Animalia Characiformes Characidae Jupiaba genus Jupiaba was proposed by Zanata (1997) to include 21 characid species primarily described in the genera Animalia Characiformes Characidae Astyanax genus Astyanax Baird & Girard or Animalia Characiformes Characidae Deuterodon genus Deuterodon Eigenmann . More recently, Lima & Zanata (2005) described an additional species, Animalia Characiformes Characidae Jupiaba poekotero species Jupiaba poekotero , from rio Negro drainage. Therefore, Animalia Characiformes Characidae Jupiaba genus Jupiaba currently comprises 22 valid species, widely distributed throughout the rio Amazonas, rio Essequibo, and rio Oiapoque drainages, plus one single species from the rio Paraguay drainage (Lima et al., 2003; Eschmeyer, 2006). However, the study of Animalia Characiformes Characidae Jupiaba genus Jupiaba samples deposited at the Fish Collection of the Laboratório de Ictiologia Sistemática da Universidade Federal do Tocantins (acronym UNT) revealed the presence of an undescribed Animalia Characiformes Characidae Jupiaba genus Jupiaba species from the rio Tocantins drainage; the description of this species is provided below.