The dorado is the species Coryphaena hippurus, a marine fish of the coriphaenidae or fish-dolphin family, distributed throughout the world’s oceans, tropical and subtropical waters. (Eastern Atlantic Ocean and Mediterranean Sea). Elongated body, very flattened on the sides, with a head similar to that of a dolphin; the profile of the forehead leans more vertically the older the animal, the head profile of adult males is almost vertical. Wide mouth; prominent lower jaw set against skin; curved lateral line above pectoral fin. Long dorsal fin, extending from head almost to tail fin, with 55-65 structural rays. Caudal fin deeply forked, without swim bladder, back bluish green, underside silvery white, with a strong golden sheen. Dark and golden spots. Caudal fin yellow, the others are usually blue. Specimens have been described that reached 200 cm in length and 40 kilos in weight, although the usual thing is that they measure about 100 cm and weigh between 800 g and one kilo. Females are usually smaller.