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Library > Cichlids > General Articles > Taxonomy of Cichlids > Sub Family Ptychochrominae
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Sub Family Ptychochrominae
Scientific classification
Kingdom : Animalia
Phylum : Chordata
Class : Actinopterygii
Order : Perciformes
Suborder : Labroidei
Family : Cichlidae
Sub Family : Ptychochrominae








Ptychochrominae is a subfamily in the cichlid family of fishes.

These are restricted to lakes and rivers in Madagascar, and the majority are threatened.

Most cichlid genera native to Madagascar are included in this subfamily; the only exceptions are Paretroplus (subfamily Etroplinae) and Paratilapia.



The subfamily includes following Genera

  • Katria.

  • Oxylapia.

  • Ptychochromis.

  • Ptychochromoides.



This genus contains a single member, Katria katria.

It is found in the Mangoro and Nosivolo Rivers in east-central Madagascar.



Genus Okylapia has a single member, Oxylapia polli .

The species is highly endangered and has a very restricted distribution in Marolambo Rapids in the Nosivolo River, east-central Madagascar.


Ptychochromis is a genus of cichlids endemic to rivers and lakes in Madagascar.

At present 9 species are recognized in this genus.



Ptychochromoides is a genus of cichlids endemic to Madagascar.

There are three described species, two are critically endangered and one was considered extinct until rediscovered in late 2010.

  • Ptychochromoides betsileanus.

  • Ptychochromoides itasy.

  • Ptychochromoides vondrozo.




  Sandeep Raghuvanshi
Picture Credits   Wikipdeia and other sources which have releases under GNU, unless soecifically credited
CITATIONS/FURTHER READING   Froese, R. and D. Pauly. Editors. 2011.FishBase. World Wide Web electronic publication., ( 10/2013 )