Hoplerythrinus unitaeniatus

{{Short description|Species of fish}}

{{Speciesbox

| image = Hoplerythrinus unitaeniatus - 1828 - Print - Iconographia Zoologica - Special Collections University of Amsterdam - UBA01 IZAA100143.tif

| genus = Hoplerythrinus

| species = unitaeniatus

| authority = (Spix & Agassiz, 1829)

| synonyms_ref = * Erythrinus unitaeniatus

| synonyms =

}}

Hoplerythrinus unitaeniatus is a species of trahira (family Erythrinidae). It is a tropical, pelagic freshwater fish.{{FishBase |genus=Hoplerythrinus |species=unitaeniatus |id= |month=August |year=2019}}{{Catalog of Fishes |genus=Hoplerythrinus |species=unitaeniatus |access-date=7 February 2020}}