bannerfish

== English == === Etymology === From banner +‎ fish. === Noun === bannerfish (plural bannerfishes or bannerfish) A large sailfish of the species Istiophorus platypterus, of the swordfish family, with a broad banner-like dorsal fin Synonym: Indo-Pacific sailfish Any of several species of butterflyfish in the genus Heniochus (order Chaetodontiformes) that superficially resemble the Moorish idol (Zanclus cornutus, order Acanthuriformes), though not closely related. === References === “bannerfish”, in OneLook Dictionary Search. bannerfish on Wikipedia.Wikipedia