55. Urges States fishing for straddling fish stocks and highly migratory fish stocks on the high seas, and relevant coastal States, where a subregional or regional fisheries management organization or arrangement has the competence to establish conservation and management measures for such stocks, to give effect to their duty to cooperate by becoming members of such an organization or participants in such an arrangement, or by agreeing to apply the conservation and management measures established by such an organization or arrangement;
55. 敦促在公海捕捞跨界鱼类种群和高度洄游鱼类的国家和相关沿海国履行合作义务，在存在有权为此类种群制定养护和管理措施的次区域或区域渔业管理组织或安排情况下，加入这类组织或参与这类安排，或者同意实行这类组织或安排所规定的养护和管理措施；