Phalloceros aspilos, is a species of poeciliid fish native to Brazil.
Distribution.
"Phalloceros aspilos" is found in Brazil in the Rio Parati-Mirim, in Rio de Janeiro.
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 pelagic.
Etymology.
The fishes name is from the Greek, "aspilos" meaning stainless, without spots, or spotless; meaning the absence of the lateral spot.