Cod fish are a type of fish found in the North Atlantic Ocean. They are known for their mild flavor and flaky white flesh, making them a popular choice for cooking. Cod can grow quite large, with some individuals reaching lengths of over three feet. There are two main species of cod: Atlantic cod and Pacific cod. Both species are important for commercial fishing and are often used in dishes like fish and chips. Cod is also a good source of protein and contains essential nutrients, making it a healthy option for many diets.