Blue moon danio

{{Short description|Species of fish}}

{{speciesbox

| name = Blue moon danio

| status = NT

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Ng, H.H. |year=2010 |title=Devario xyrops |volume=2010 |page=e.T170120A6720879 |doi=10.2305/IUCN.UK.2010-4.RLTS.T170120A6720879.en |access-date=5 January 2018}}

| genus = Devario

| species = xyrops

| display_parents = 3

| authority = F. Fang & S. O. Kullander, 2009

}}

The blue moon danio (Devario xyrops) is a is a species of freshwater ray-finned fish belonging to the family Danionidae. This species is endemic to Myanmar.{{FishBase |genus= Devario |species= xyrops| month = August| year = 2014}} First described in 2009,{{Cite journal|last=Fang|first=Fang|last2=Kullander|first2=Sven O.|date=2009-07-21|title=Devario xyrops, a new species of danionine fish from south-western Myanmar (Teleostei: Cyprinidae)|url=https://www.mapress.com/j/zt/article/view/zootaxa.2164.1.3|journal=Zootaxa|language=en|volume=2164|issue=1|pages=33–40|doi=10.11646/zootaxa.2164.1.3|issn=1175-5334|doi-access=free|url-access=subscription}} they are found in small forested streams on the western slope of the Arakan Mountains in Rakhine State of south-western Myanmar; these streams are typically reduced to a series of interconnected pools during the dry season. This species has also been imported to Europe as aquarium fishes with the code names "TW02” and "Broken Line".