Phalloceros alessandraePhalloceros alessandrae, or Alessandra's toothcarp, is a species of poeciliid fish native to Brazil.DistributionPhalloceros alessandrae is found in Brazil in flooded areas on margins of nearby Antonina and rio Dois de Fevereiro, flowing into the Baía de Paranaguá.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 Lucinda's wife, Ms. Alessandra M. V. Lucinda.