Moreover, from March 2017 onwards, the minimum conservation reference size for sole increased by Ministerial Decree from 24 to 25 cm (Article 1 of the Flemish Ministerial Decree of 3 March 2017). In addition, measures related to the protection and restoration of marine biodiversity will receive key support. In Wallonia, the focus is on continuing to develop small-scale artisanal aquaculture production.