The National Marine Fisheries Service (NMFS) has been tagging and releasing groundfish in Alaska waters since 1972. In that time, approximately 452,000 tags have been released and over 36,000 have been recovered.
This dataset depicts the boundaries of the Atlantic Chub Mackerel Management Unit under a final Rule Implementing Amendment 21 to the Atlantic Mackerel, Squid, and Butterfish Fishery Management Plan.