''Rheocles vatosoa'' is a species of

rainbowfish Rainbowfishes are small, colourful freshwater fishes belonging to the Family (biology), family Melanotaeniidae, found in northern and eastern Australia, New Guinea (including islands in Cenderawasih Bay and Raja Ampat Islands in Indonesia), Sula ...

in the

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end botanical subfamily names with "-oideae", and zo ...

Bedotiinae Bedotiidae are a family of fish in the order Atheriniformes. They are closely related to the Australian rainbowfish family Melanotaeniidae, and were formerly placed in it as a subfamily, but are now considered a distinct family. They are commonl ...

, the Madagascar rainbowfishes. It is

endemic Endemism is the state of a species being found only 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 foun ...

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 ...

. Its natural

habitat In ecology, habitat refers to the array of resources, 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 manifestation of its ...

is the

Lokoho River The Lokoho River is located in northern Madagascar. It drains to the north-east coast, into the Indian Ocean. It drains the southern half of the Marojejy Massif. Its mouth is situated 25 km in the south of Sambava, near Farahalana. There we ...

basin.Stiassny & Loiselle, 2002.''Rheocles vatosoa'', a new species of freshwater rainbowfish (Atherinomorpha: Bedotiidae) from the Lokoho River basin in Northeastern Madag
/ref> It is threatened by

habitat loss Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...

Sources

vatosoa Freshwater fish of Madagascar Fish described in 2002 Taxa named by Melanie Stiassny Taxa named by Damaris M. Rodríguez Taxa named by Paul V. Loiselle Taxonomy articles created by Polbot {{Atheriniformes-stub