Salt-water fishes are a type of fish that live in the ocean and other salt-water bodies. Cods are a type of salt-water fish that belong to the family Gadidae, which includes haddock, pollock, and whiting. They are found in the cold waters of the North Atlantic and Arctic Oceans, as well as the Mediterranean and Baltic Seas. Cods are an important food source for humans, and they are also used for bait in some fishing industries.