Fish eggs are an essential part of the natural diet of many marine and tropical fish.The Ocean Nutrition fish eggs (600–800 micron) are of marine origin and contain high levels of the highly unsaturated fatty acids arachidonic acid (ARA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). The surrounding membrane is a natural guarantee against leaching so assuring optimal water quality. Contains marine phospholipids. Ideal to wean off fish off live food. Believed to trigger breeding responses. Ingredients Pure marine fish eggs.