- spearfish - any of several large vigorous pelagic fishes resembling sailfishes but with first dorsal fin much reduced; worldwide but rare
--1 is a kind of billfish
--1 is a member of Tetrapturus, genus Tetrapturus- 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
--2 is a kind of billfish
--2 is a member of Makaira, genus Makaira
--2 has particulars:blue marlin, Makaira nigricans; black marlin, Makaira mazara; black marlin, Makaira marlina; striped marlin, Makaira mitsukurii; white marlin, Makaira albida - 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