''Ptychochromoides'' is a genus of

cichlid Cichlids are fish from the family Cichlidae in the order Cichliformes. Cichlids were traditionally classed in a suborder, the Labroidei, along with the wrasses ( Labridae), in the order Perciformes, but molecular studies have contradicted this ...

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 ...

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 ...

. Of the three described species, two are critically endangered and one was considered

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

until rediscovered in late 2010.Toronto Zoo (2010).
Mad Fishes 2010 – Fish conservation with Tim McCaskie in Madagascar.
' Accessed 14 July 2011

Species

The genus formerly included '' Katria katria'', which was moved to its own genus in 2006.Stiassny, M., and Sparks, J. S. (2006). ''Phylogeny and Taxonomic Revision of the endemic Malagasy genus Ptychochromis (Teleostei: Cichlidae), with the description of five new species and a diagnosis for Katria, new genus.''

American Museum Novitates ''American Museum Novitates'' is a peer-reviewed academic journal published by the American Museum of Natural History. It was established in 1921. According to the ''Journal Citation Reports'', the journal has a 2013 impact factor The impact f ...

3535 There are currently three recognized species in ''Ptychochromoides'': * '' Ptychochromoides betsileanus'' (

Boulenger Boulenger is a surname. Notable people with the surname include: * Benjamin Boulenger (born 1990), French footballer * Edward George Boulenger (1888–1946), British zoologist, director of aquarium at London Zoo * George Albert Boulenger (1858–1 ...

, 1899) (Trondo mainty) * '' Ptychochromoides itasy''

Sparks Sparks may refer to: Places *Sparks, Georgia * Sparks, Kansas *Sparks, Kentucky *Sparks, Maryland * Sparks, Nebraska *Sparks, Nevada *Sparks, Oklahoma *Sparks, Texas * Sparks, Bell County, Texas * Sparks, West Virginia Books * ''Sparks'' (Raffi ...

, 2004 * '' Ptychochromoides vondrozo''

& Reinthal, 2001

References

Freshwater fish genera Cichlid genera Taxonomy articles created by Polbot {{Cichlidae-stub