bannerfish

English

Etymology

From banner +‎ fish.

Noun

bannerfish (plural bannerfishes or bannerfish)

  1. A large sailfish of the species Istiophorus platypterus, of the swordfish family, with a broad banner-like dorsal fin
    Synonym: Indo-Pacific sailfish
  2. 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.

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