Source : Webster's Revised Unabridged Dictionary (1913)

Needlefish \Nee"dle*fish`\, n. (Zo["o]l.)
   (a) The European great pipefich ({Siphostoma, or Syngnathus,
       acus}); -- called also {earl}, and {tanglefish}.
   (b) The garfish.

Source : WordNet®

needlefish
     n 1: elongate European surface-dwelling predacious fishes with
          long toothed jaws; abundant in coastal waters [syn: {gar},
           {billfish}]
     2: fish with long tubular snout and slim body covered with bony
        plates [syn: {pipefish}]
     [also: {needlefishes} (pl)]