The irresponsible fishing for mackerel which Iceland and the Faroe Islands have initiated as an attempt to secure future quota shares is a serious threat to the mackerel stock, and undermines the cooperation to secure the necessary conservation measures. I consider this situation very seriously, and it has been the topic of discussions between myself and the European Commissioner for Fisheries and Maritime Affairs, Norwegian Minister of Fisheries and Coastal Affairs Lisbeth Berg-Hansen says in a comment.