NMFS is implementing approved measures in Amendment 11 to the Atlantic Mackerel, Squid, and Butterfish Fishery Management Plan, developed by the Mid-Atlantic Fishery Management Council. The approved measures include: A tiered limited access program for the Atlantic mackerel fishery; an open access incidental catch permit for mackerel; an update to essential fish habitat designations for all life stages of mackerel, longfin squid, Illex squid, and butterfish; and the establishment of a recreational allocation for mackerel.