Except as otherwise provided by law, a person may use in the waters of Lakes Michigan, Superior, Huron, and Erie, and the bays of those lakes, within the jurisdiction of this state, set hook lines or spears for the purpose of taking fish; and for the purpose of securing bait for use in baiting said hook lines, a person may use gill nets as provided in section 47309. However, a person shall not market or possess for the purpose of marketing any fish taken in bait nets. All unused bait, fresh or old, shall be taken ashore.