Phalloceros pellos, the Antonina toothcarp, is a species of poeciliid fish native to Brazil.
Distribution.
"Phalloceros pellos" is found in Brazil in the small coastal drainages that flow into the Baía de Paranaguá in Paraná State, 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 Latin = "Pellos" means dark-colored or dusky, referring to its background color.