New Recreational Groundfish Regulations For 2021 The California Department of Fish and Wildlife (CDFW) announces that multiple changes to the recreational groundfish regulations will take effect in the new year. CDFW worked closely with recreational stakeholders to develop the following changes, effective January 1, 2021. See CDFW’s summary of recreational groundfish regulations for Management Area boundary definitions. Elimination of sub-bag limits for black rockfish, canary rockfish and cabezon within the 10-fish Rockfish, Cabezon, Greenling (RCG) complex daily bag limit. A new sub-bag limit of five vermilion rockfish within the 10-fish RCG complex daily bag limit. The Rockfish Conservation Area (RCA) boundary will increase to 30 fathoms (180 feet) in the Mendocino Management Area during the regular open season (May 1-October 31).