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