quillback

== English == === Etymology === From quill +‎ back. === Noun === quillback (plural quillbacks) Carpiodes cyprinus, a freshwater fish of the sucker family with a long filament that extends back from the dorsal fin, native to the eastern and central United States. ==== Translations ==== === References === quillback on Wikipedia.Wikipedia Catostomidae on Wikispecies.Wikispecies Category:Carpiodes cyprinus on Wikimedia Commons.Wikimedia Commons