The commissioner may by rule set size limits and prescribe conditions for the taking, possession, transportation, sale, and purchase of mussels.
Live mussels may not be harvested. A person possessing a valid resident or nonresident angling license or a person not required to have an angling license to take fish may take and possess at any time, for personal use only, not more than 24 whole shells or 48 shell halves of dead freshwater mussels. Mussel shells may be harvested in waters of the state where fish may be taken by angling. Mussel shells must be harvested by handpicking only and may not be purchased or sold.