This final rule implements status quo commercial quotas for the Atlantic surfclam and ocean quahog fisheries for 2018 and projected status quo quotas for 2019 and 2020. This action is necessary to establish allowable harvest levels of Atlantic surfclams and ocean quahogs that will prevent overfishing and allow harvesting of optimum yield. This action also continues to suspend the minimum shell size for Atlantic surfclams for the 2018 fishing year. The intended effect of this action is to provide benefit to the industry from stable quotas to maintain a consistent market.