The Collaborative International Dictionary of English v.0.48:

Saurel \Sau"rel\, n. (Zool.)
   Any carangoid fish of the genus Trachurus, especially
   Trachurus trachurus, or Trachurus saurus, of Europe and
   America, and Trachurus picturatus of California. Called
   also skipjack, and horse mackerel.
   [1913 Webster]