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Phalloceros

Phalloceros is a genus of poeciliids native to freshwater habitats in Brazil, Paraguay, Uruguay and northern Argentina. The majority are endemic to southern and southeastern Brazil. P. caudimaculatus has long been part of the aquarium industry and has been introduced to countries far from its native range.

Last revised
May 30, 2026
Read time
≈ 1 min
Length
267 w
Citations
3
Source
Phalloceros
Dusky millions fish (P. caudimaculatus)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Poeciliidae
Tribe: Cnesterodontini
Genus: Phalloceros
C. H. Eigenmann, 1907
Type species
Girardinus caudimaculatus
Hensel, 18681

Phalloceros is a genus of poeciliids native to freshwater habitats in Brazil, Paraguay, Uruguay and northern Argentina. The majority are endemic to southern and southeastern Brazil (only exceptions are P. caudimaculatus, P. harpagos and P. leticiae).2 P. caudimaculatus has long been part of the aquarium industry and has been introduced to countries far from its native range.

Species

There are currently 22 recognized species in this genus:3

References

References

  1. Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Phalloceros". Catalog of Fishes. California Academy of Sciences. Retrieved 10 November 2019.
  2. Paulo Henrique Franco Lucinda; Roberto E. Reis (2005). "Systematics of the subfamily Poeciliinae Bonaparte (Cyprinodontiformes: Poeciliidae), with an emphasis on the tribe Cnesterodontini Hubbs". Neotropical Ichthyology. 3 (1): 1–60. doi:10.1590/S1679-62252005000100001.
  3. Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Phalloceros". FishBase. August 2012 version.