#family_Istiophoridae__Istiophoridae  sailfishes; spearfishes; marlins
  supertype:  fish_family  any of various families of fish
  member of:  suborder_Scombroidea
  member:  sailfish  large pelagic game fish having an elongated upper jaw and long sail-like dorsal fin
  member:  genus_Istiophorus__Istiophorus  type genus of the Istiophoridae
     member:  Atlantic_sailfish__Istiophorus_albicans  a kind of sailfish
  member:  billfish  giant warm-water game fish having a prolonged and rounded toothless upper jaw
  member:  genus_Makaira__Makaira  marlins
     member:  marlin__spearfish  large long-jawed oceanic sport fishes; related to sailfishes and spearfishes; not completely cold-blooded i.e. able to warm their brains and eyes
  member:  genus_Tetrapturus__Tetrapturus  a genus of Istiophoridae
     member:  spearfish  any of several large vigorous pelagic fishes resembling sailfishes but with first dorsal fin much reduced; worldwide but rare

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