Polyipnus unispinus

{{Short description|Species of fish}}

{{more citations needed|date=May 2021}}

{{Speciesbox

| genus = Polyipnus

| species = unispinus

| authority = Schultz, 1938

}}

Polyipnus unispinus is a species of ray-finned fish in the genus Polyipnus. It lives in deep water environments in the Western Pacific Ocean.{{Cite web|title=Polyipnus unispinus|url=https://www.fishbase.se/summary/27620|access-date=2021-05-29|website=www.fishbase.se}}