1. Large elongated compressed food fish of the Atlantic waters of Europe
   "Horse mackerel are commonly caught off the coast of Portugal";
   - saurel, Trachurus trachurus
    
2. A California food fish
   "Horse mackerel is commonly used in local seafood dishes";
   - jack mackerel, Spanish mackerel, saurel, Trachurus symmetricus
    
3. Largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics
   "The massive horse mackerel migrated thousands of miles to reach its breeding grounds";
   - bluefin, bluefin tuna, Thunnus thynnus

Derived forms: horse mackerel

Type of: scad, tuna, tunny

Part of: genus Thunnus, Thunnus

Encyclopedia: Horse mackerel