There are different ingredients employed in right composition for fish foods that can be processed through sequential analysis of proteins, lipids, carbohydrate and other minerals based compounds. Fish wastes have become a major problem in the modern era due to accumulation of toxic compounds that released through animal wastes. There are different methods to store the fish foods for long periods of time. Contaminated foods leads to death of many fishes due to excess level of heavy metals such as mercury, arsenic and other environmental pollutants that causes degradation of fish’s internal parts. Beef also in crushed form also used a source of foods in many fish populations. Freezing of the foods is better option options as compared to the strategies for food storage as it maintain the internal pH and temperature of the nutrients by supplying them regulate heat flow in order to spillage of foods. This review focus on the foods used for fishes and animals inhabit in watery environments, source, nutritional value and biochemical aspects on the fish health’s. Phytoplanktons are used as ideal source of foods for most varieties of fishes because they are composed of proteins, lipids, minerals and also other useful nutritional value.