Hydromorphus concolor

{{Short description|Species of snake}}

{{Speciesbox

| image =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Porras, L.W.|author2=Lamar, W. |author3=Solórzano, A. |author4=Chaves, G. |year=2013 |title=Hydromorphus concolor |volume=2013 |page=e.T203537A2768030|url=https://www.iucnredlist.org/species/203537/2768030 |access-date=2 December 2021}}

| genus = Hydromorphus

| species = concolor

| authority = Peters, 1859

}}

Hydromorphus concolor, also known as the Costa Rica water snake, is a snake of the colubrid family. It is found in Guatemala, Honduras, Nicaragua, Costa Rica, Panama, and Colombia.{{cite web |title=Hydrodynastes bicinctus DUNN, 1920 |url=https://reptile-database.reptarium.cz/species?genus=Hydromorphus&species=concolor&search_param=%28%28search%3D%27Hydromorphus%27%29%29|publisher=Reptile Database |accessdate=23 January 2019}}