Though different fish stocks in the North Sea are caught together at the same time they are managed on a single stock basis, primarily through the setting of Total Allowable Catches. However, individual fishers or fleets use up their quota for...

Sampling of individual adult salmon is used to collect information on the size, sex and age of the fish. This information feeds directly into the stock assessments used for national and international management of Scottish salmon. Sampling of...

This report presents the results of Scottish regional king scallop stock assessments carried out by the Marine Directorate (MD) based on commercial catch-at-age data and survey data up to 2022. Full analytical assessments are presented for the...