Opsarius caudiocellatus

{{Short description|Species of fish}}

{{speciesbox

| status = DD

| status_system = IUCN3.1

| status_ref = {{Cite journal | author = Vidthayanon, C. | title = Opsarius caudiocellatus | journal = The IUCN Red List of Threatened Species | volume = 2012 | page = e.T187934A1836759 | publisher = IUCN | date = 2012 | url = http://www.iucnredlist.org/details/187934/0 | doi = 10.2305/IUCN.UK.2012-1.RLTS.T187934A1836759.en | access-date = 13 January 2018| url-access = subscription }}

| taxon = Opsarius caudiocellatus

| authority = (X. L. Chu, 1984){{FishBase|Barilius|caudiocellatus}}

| synonyms = Barilius caudiocellatus X. L. Chu, 1984

| synonyms_ref = {{Cof genus|genus=Opsarius|access-date=5 February 2025}}

}}

Opsarius caudiocellatus is a species of freshwater ray-finned fish belonging to the family Danionidae. This fish is found in China.