The Council of the European Union is an Institution with a formal legislative role. It is composed of different configurations of national Ministers (one per country). The exact configuration of each meeting depends upon the topic under discussion. Generally in the AGRI-FISH Council, Ireland is represented by Minister for Agriculture, Food and the Marine, Simon Coveney TD.
For more information, please see: http://www.eu2013.ie/events/event-items/meetingofagricultureandfisheriescouncilagrifish-20130422/