The Ptychochrominae are a subfamily in the cichlid family of fish. It includes about 14 species. They are restricted to lakes and rivers in

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

, and the majority are

threatened Threatened species are any species (including animals, plants and fungi) which are vulnerable to endangerment in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensat ...

. Most cichlid genera native to Madagascar are included in this subfamily; the only exceptions are ''

Paretroplus ''Paretroplus'' is a genus of fishes in the cichlid family, all of which are endemic to lakes and rivers of Madagascar. The vast majority are threatened and restricted to the northwestern part of the island.Sparks, J. S. (2008). ''Phylogeny of t ...

'' (subfamily

Etroplinae Etroplinae is a subfamily in the cichlid family of fishes. The subfamily includes 3 genera (and about 16 species) : ''Etroplus'' and ''Pseudetroplus'', which are the only cichlids native to India and Sri Lanka, and ''Paretroplus'' from Madagascar ...

) and ''

Paratilapia ''Paratilapia'' is a genus of cichlids generally restricted to Madagascar. These are large, dark cichlids densely covered in light spots. An additional very poorly known species from the Congo River basin in mainland Africa is sometimes also pla ...

'' (sometimes included in the Ptychochrominae, but likely belongs in its own subfamily). Abstract Abstract

Genera

The following genera are included in the subfamily Ptychochrominae: *''

Katria ''Katria'' is a genus of freshwater fish in the cichlid family. It contains the single species ''Katria katria'', a vulnerable species from the Mangoro and Nosivolo Rivers in east-central Madagascar, that was formerly included in the genus '' ...

'' Stiassny & Sparks, 2006 *''

Oxylapia ''Oxylapia'' is a genus of freshwater fish in the family Cichlidae. It contains the single species ''Oxylapia polli'', known locally as the songatana. It is an endangered species, endemic to the Marolambo Rapids in the Nosivolo River (a tribut ...

Kiener Louis Charles Kiener (31 July 1799 – 24 July 1881) was a French malacologist born in Paris. He was the author of the 12-volume ''Spécies général et iconographie des coquilles vivantes comprenant la collection du Muséum d'histoire naturelle ...

& Maugé, 1966 *''

Bleeker Bleeker is a Dutch occupational surname. Bleeker is an old spelling of ''(linnen)bleker'' ("linen bleacher").Ptychochromis ''Ptychochromis'' is a genus of cichlids endemic to rivers and lakes in Madagascar. One species ('' P. grandidieri'') can also be seen in brackish water.Stiassny, M.L.J. & Sparks, J.S. (2006): Phylogeny and Taxonomic Revision of the Endemic Mala ...

Steindachner Franz Steindachner (11 November 1834 in Vienna – 10 December 1919 in Vienna) was an Austrian zoologist, ichthyologist, and herpetologist. He published over 200 papers on fishes and over 50 papers on reptiles and amphibians. Steindachner describ ...

, 1880 *''

Ptychochromoides ''Ptychochromoides'' is a genus of cichlids endemic to Madagascar. Of the three described species, two are critically endangered and one was considered extinct until rediscovered in late 2010.Toronto Zoo (2010). Mad Fishes 2010 – Fish conserva ...

'' Kiener & Maugé, 1966

References

{{Taxonbar, from=Q136389 Cichlid fish of Africa * Fish subfamilies Cichlidae