''Pachypanchax omalonotus'', the powder-blue panchax, is a species of Aplocheilid

killifish A killifish is any of various oviparous (egg-laying) cyprinodontiform fish (including families Aplocheilidae, Cyprinodontidae, Fundulidae, Profundulidae and Valenciidae). All together, there are 1,270 species of killifish, the biggest family ...

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 ...

where it is found on the island of

Nosy Be Nosy Be (formerly Nossi-bé and Nosse Be) is an island off the northwest coast of Madagascar. Nosy Be is Madagascar's largest and busiest tourist resort. It has an area of , and its population was 109,465 according to the provisional results of t ...

and in the

Sambirano River The Sambirano is a river of northwestern Madagascar in the region of Diana. It has its sources at the Maromokotra peak and flows through the Tsaratanana Reserve to the Indian Ocean. Its delta occupies 250 km. The ecosystem of the river, ma ...

basin and adjacent streams on the mainland. Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of wate ...

References

* * Loiselle, P. 2006
A review of the Malagasy ''Pachypanchax'' (Teleostei: Cyprinodontiformes, Aplocheilidae), with descriptions of four new species
''Zootaxa 1366: 1–44 (2006)'' * omalonotus Freshwater fish of Madagascar Taxonomy articles created by Polbot Fish described in 1861 Taxa named by Auguste Duméril Taxobox binomials not recognized by IUCN {{Cyprinodontiformes-stub