''Phalloceros'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of poeciliids native to freshwater habitats in

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...

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and northern

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

. The majority are

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

southern Southern may refer to: Businesses * China Southern Airlines, airline based in Guangzhou, China * Southern Airways, defunct US airline * Southern Air, air cargo transportation company based in Norwalk, Connecticut, US * Southern Airways Express, M ...

and southeastern Brazil (only exceptions are ''P. caudimaculatus'', ''P. harpagos'' and ''P. leticiae''). ''P. caudimaculatus'' has long been part of the

aquarium An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...

industry and has been introduced to countries far from its native range.

Species

There are currently 22 recognized species in this genus: * '' Phalloceros alessandrae'' Lucinda, 2008 * '' Phalloceros anisophallos'' Lucinda, 2008 * ''

Phalloceros aspilos ''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'' ...

'' Lucinda, 2008 * '' Phalloceros buckupi'' Lucinda, 2008 * '' Phalloceros caudimaculatus'' ( R. F. Hensel, 1868) (Dusky millions fish) * '' Phalloceros elachistos'' Lucinda, 2008 * '' Phalloceros enneaktinos'' Lucinda, 2008 * '' Phalloceros harpagos'' Lucinda, 2008 * ''

Phalloceros heptaktinos ''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'' ...

'' Lucinda, 2008 * ''

Phalloceros leptokeras ''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'' ...

'' Lucinda, 2008 * ''

Phalloceros leticiae ''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'' ...

'' Lucinda, 2008 * ''

Phalloceros lucenorum ''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'' ...

'' Lucinda, 2008 * ''

Phalloceros malabarbai ''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'' ...

'' Lucinda, 2008 * ''

Phalloceros megapolos ''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'' ...

'' Lucinda, 2008 * ''

Phalloceros mikrommatos ''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'' ...

'' Lucinda, 2008 * ''

Phalloceros ocellatus ''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'' ...

'' Lucinda, 2008 * ''

Phalloceros pellos ''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'' ...

'' Lucinda, 2008 * ''

Phalloceros reisi ''Phalloceros'' is a genus of poeciliids native to freshwater habitats in Brazil, Paraguay, Uruguay and northern Argentina. The majority are Endemism, endemic to South Region, Brazil, southern and Southeast Region, Brazil, southeastern Brazil (on ...

'' Lucinda, 2008 * '' Phalloceros spiloura'' Lucinda, 2008 * '' Phalloceros titthos'' Lucinda, 2008 * '' Phalloceros tupinamba'' Lucinda, 2008 * '' Phalloceros uai'' Lucinda, 2008

References

Poeciliidae Fish of South America Freshwater fish genera Taxa named by Carl H. Eigenmann Ray-finned fish genera {{Cyprinodontiformes-stub