The king mackerel is a large, fast-swimming fish found in warm waters of the Atlantic Ocean and the Gulf of Mexico. Known for its streamlined body and sharp teeth, it can grow up to 6 feet long and weigh over 100 pounds. This fish is popular among anglers due to its fighting ability and is often sought after for sport fishing. King mackerel are characterized by their dark blue-green backs and silver sides, with a distinctive pattern of vertical stripes. They primarily feed on smaller fish, such as sardines and menhaden. In addition to being a popular catch, king mackerel is also consumed as food, often grilled or smoked.