spear·fish /-ˌfɪʃ/
  Spear·fish n. Zool. (a) A large and powerful fish (Tetrapturus albidus) related to the swordfish, but having scales and ventral fins. It is found on the American coast and the Mediterranean. (b) The carp sucker.
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  spearfish
       n 1: any of several large vigorous pelagic fishes resembling
            sailfishes but with first dorsal fin much reduced;
            worldwide but rare
       2: large long-jawed oceanic sport fishes; related to sailfishes
          and spearfishes; not completely cold-blooded i.e. able to
          warm their brains and eyes [syn: marlin]
       [also: spearfishes (pl)]