Rheocles vatosoa

{{Short description|Species of fish}}

{{Speciesbox

| status = EN

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Ravelomanana, T. |author2=Sparks, J.S. |date=2016 |title=Rheocles vatosoa |volume=2016 |page=e.T44660A58309149 |doi=10.2305/IUCN.UK.2016-3.RLTS.T44660A58309149.en |access-date=15 November 2021}}

| taxon = Rheocles vatosoa

| authority = Stiassny, D. M. Rodríguez & Loiselle, 2002

| synonyms =

}}

Rheocles vatosoa is a species of rainbowfish in the subfamily Bedotiinae, the Madagascar rainbowfishes. It is endemic to Madagascar. Its natural habitat is the Lokoho River basin.[http://www.mnhn.fr/sfi/cybium/numeros/english/261/11.absstiassny.html Stiassny & Loiselle, 2002.Rheocles vatosoa, a new species of freshwater rainbowfish (Atherinomorpha: Bedotiidae) from the Lokoho River basin in Northeastern Madag] It is threatened by habitat loss.