1) Fish common name 
Horse mackerel is a vague vernacular term for a range of species of fish throughout the English-speaking world. It is commonly applied to pelagic fishes, especially of the Carangidae (jack mackerels and scads) family, most commonly those of the genera Trachurus or Caranx. Species known as `horse mackerel` in one English dialect or another includ.....
[n] - large elongated compressed food fish of European Atlantic waters 2. [n] - a California food fish
Spanish mackerel 3 saurel 2 Trachurus symmetricus noun a California food fish