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 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 3535 There are currently three recognized species in Ptychochromoides:
Ptychochromoides betsileanus (Boulenger, 1899) (Trondo mainty) Ptychochromoides itasy Sparks, 2004 Ptychochromoides vondrozo Sparks & Reinthal, 2001
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