Collection North Wales cockle and mussel fishery Fishery openings and catch return forms for the North Wales cockle and mussel fishery. Part of: Intertidal fisheries First published: 17 July 2018 Last updated: 28 April 2022 Guidance North Wales cockles fishery: seasonal opening 28 April 2023 Quick guide North Wales cockle and mussel catch return 2 July 2020 Form Application for a permit to fish for cockles and mussels for the North Wales area 2022 to 2023 28 June 2022 Form Application for a permit to fish for cockles and mussels: guidance notes 28 June 2021 Guidance