cichlid
Cichlids ()
are a large, diverse, and widespread family of percomorph fish in the family Cichlidae, order Cichliformes. At least 1,760 species have been scientifically described, making it one of the largest vertebrate families, with on ...
Nosivolo River
The Nosivolo River is a river in eastern Madagascar and a primary tributary of the Mangoro River. It begins east of Fandriana.Campbell, GwynnDavid Griffiths and the Missionary "History of Madagascar" p. 488–89 (Brill 2012) (citing Aldegheri, ...
s in east-central
Madagascar
Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...
, that was formerly included in the genus ''
Ptychochromoides
''Ptychochromoides'' is a genus of cichlids endemism, 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 ...
''.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 ...
3535 The only other
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...
cichlid genus in Madagascar is ''
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 tributa ...
'', and it is restricted to the same region as ''Katria''. In 2010, the Nosivolo River was designated as a
Ramsar Site
A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention,8 ha (O)
*** Permanent 8 ha (P)
*** Seasonal Intermittent < 8 ha(Ts)
**
Durrell Wildlife Conservation Trust
Durrell Wildlife Conservation Trust is a conservation organization with a mission to save species from extinction. Gerald Durrell founded the Jersey Wildlife Preservation Trust as a charitable institution in 1963 with the dodo as its symbol. Th ...