Ctenophora predation by ctenophores may control the populations of small zooplanktonic organisms such as copepods, which might otherwise wipe out the phytoplankton (planktonic plants), which are a vital part of marine food chains. Almost all ctenophores are predators – there are no vegetarians and only one genus that is partly parasitic. If food is plentiful, they can eat 10 times their own weight per day. While "Beroe" preys mainly on other ctenophores, other surface-water species prey on zooplankton (planktonic animals) ranging in size from the microscopic, including mollusc and fish larvae, to small adult crustaceans such as copepods, amphipods, and even
Department of Agriculture, Food and the Marine Department of Agriculture, Food and the Marine The Department of Agriculture, Food and the Marine (DAFM) () is a department of the Government of Ireland. The mission of the department is to lead the sustainable development of a competitive, consumer focused agri-food sector and to contribute to a vibrant rural economy and society. It is led by the Minister for Agriculture, Food and the Marine who is assisted by one Minister of State. The official headquarters and ministerial offices of the department are in Agriculture House, Kildare Street, Dublin 2. The departmental team consists of the following: In carrying out