Enteromius catenarius

{{Short description|Species of fish}}

{{Speciesbox

| image = Barbus-Catenarius.jpg

| image_caption = Photo by the Royal Museum for Central Africa

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Moelants, T. |date=2018 |title=Enteromius catenarius |volume=2018 |page=e.T181730A126350475 |doi=10.2305/IUCN.UK.2018-1.RLTS.T181730A126350475.en |access-date=18 November 2021}}

| taxon = Enteromius catenarius

| display_parents = 3

| authority = Poll & J. G. Lambert, 1959

| synonyms = Barbus catenarius Poll & Lambert, 1959

}}

Enteromius catenarius is a species of cyprinid fish endemic to the Kouilou-Niari River system of the Republic of the Congo. This species can reach a maximum length of {{convert|4.5|cm|in}} SL.{{FishBase |genus= Enteromius|species= catenarius| month = April | year = 2013}} It is yellow to orange in color and has brown scales. It may be more widespread than currently known but further research is needed.