Phalloceros ocellatusPhalloceros ocellatus, the Prado toothcarp, is a species of poeciliid fish native to Brazil.DistributionPhalloceros ocellatus is found in the coastal drainages between Prado and Sooretama in Brazil.SizeThe females of the 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 Latin = meaning with little eyes, referring to eye-like spot, the "ocellus" on sides.