Trachurus Trachurus, commonly known as the horse mackerel, belongs to the Trachurus genus of fishes, which also includes the Atlantic and Pacific mackerels. The word "Trachurus" comes from Greek roots, meaning "rough tail," referring to the rough scales on the tail fin of the fish. Horse mackerel are found in coastal waters, and are primarily harvested for food. Synonyms for Trachurus Trachurus include Scad, Saurel, Saury, and Jack Mackerel. In some regions, the fish is also known by local names such as chinchard, jurel, and carapau. As these names suggest, horse mackerel is a fish with universal appeal and a wide range of culinary uses.