{{Short description|Species of fish}} {{Speciesbox | status = LC | status_system = IUCN3.1 | status_ref = <ref>{{cite iucn|author=Ho, H. |year=2020 |title= ''Homostolus acer'' |article-number= e.T137552007A137564085 |doi=10.2305/IUCN.UK.2020-1.RLTS.T137552007A137564085.en |access-date=2 May 2024}}</ref> | taxon = Homostolus acer | display_parents = 2 | authority = H. M. Smith & Radcliffe, 1913 | synonyms = ''Homostolus japonicus'' <small>Matsubara, 1943</small> }}

The '''filament cusk''' ('''''Homostolus acer''''') is a species of cusk-eel found in the western Pacific Ocean from the waters off of Japan to Australia and New Caledonia where it occurs at depths of from {{convert|300|to|1000|m|ft}}. This species grows to a length of {{convert|18.4|cm|in}} SL and is of minor importance to commercial fisheries. It is the only known member of its genus.<ref name = FishBase>{{FishBase |genus= Homostolus|species= acer| month = June | year = 2012}}</ref>

==References== {{Reflist}}

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Category:Ophidiidae Category:Fish described in 1913

{{Ophidiidae-stub}}