Amino & Omega - 3/6 HUFA Supplement for all Marine Fish & Reef Aquaria Overview Provides marine sources of amino acids and omega-3 and -6 highly unsaturated fatty acids (HUFA). Increases the nutritional value of foods for marine fishes and invertebrates, particularly for fishes that show signs of head and lateral line erosion. May be used to fortify prepared and live foods. Contains no shark-derived ingredients. Composed of a blend of unique marine fish and crustacean sources of proteins and essential fatty acids, as well as important vitamins. Does not require refrigeration. Formulated by a marine scientist. .