Aquarium fish feed is plant or animal material intended for consumption by pet fish kept in aquariums or ponds. Fish encyclopedia of aquarium & pond fish pdf normally contain macro nutrients, trace elements and vitamins necessary to keep captive fish in good health.
Pelleted forms, some of which sink rapidly, are often used for larger fish or bottom feeding species such as loaches or catfish. Some fish foods also contain additives such as sex hormones or beta carotene to artificially enhance the color of ornamental fish.
Prepared foods are those foods that are non-living and are made by the aquarist or bought already prepared for consumption for fish. Flake food is a type of proprietary or artificially manufactured fish food consumed by a wide variety of tropical and saltwater fish and invertebrates.
It is ideally suited to top dwellers and mid-water fish though numerous bottom dwelling species consume flake food once it has settled on the bottom. Flake food is baked to remove moisture, ensuring a longer shelf life.