Phalloceros leticiaePhalloceros leticiae, the Araguaia toothcarp, is a species of poeciliid fish native to Brazil.DistributionPhalloceros leticiae is found in Brazil in the upper rio Araguaia, which is a main tributary to the rio Tocantins in Brazil.SizeThe females of this species grow to a total length of, while males remain smaller at.HabitatThe fish live in tropical freshwater; and are benthopelagic.EtymologyThe fish is named in honor of Letícia M. Lucinda, Lucinda's daughter.