Polyipnus clarus

{{Short description|Species of fish}}

{{Speciesbox

| image =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Harold, A.S. |year=2010 |errata=2017 |title=Polyipnus clarus |volume=2010 |page=e.T154726A115228028 |doi=10.2305/IUCN.UK.2010-4.RLTS.T154726A4619089.en |access-date=12 January 2025}}

| genus = Polyipnus

| species = clarus

| authority = Harold, 1994 {{cite WoRMS |author=Bailly, Nicolas |year=2015 |title=Polyipnus clarus Harold, 1994 |id=158840 |accessdate=28 February 2016|db=}}

}}

Polyipnus clarus, commonly known as the stareye hatchetfish or slope hatchetfish, is a species of ray-finned fish in the family Sternoptychidae. It occurs in deep water in the western Atlantic Ocean from the Gulf of Maine southward to the Caribbean Sea and the Gulf of Mexico. It most commonly occurs between {{convert|300|and|400|m|-2}} but can range from {{convert|40|and|830|m|-2}}.{{cite book|author1=McEachran, John|author2=Fechhelm, Janice D. |title=Fishes of the Gulf of Mexico, Vol. 1: Myxiniformes to Gasterosteiformes |url=https://books.google.com/books?id=jZtrYzge92YC&pg=RA1-PA40 |year=2013 |publisher=University of Texas Press |isbn=978-0-292-75705-9 |page=40}}