Can Goldfish Live Without Fish Food? | My Aquarium Club

That said, goldfish do enjoy chasing live food, so do consider giving it a try if you can!
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Koi and goldfish eat a lot, but goldfish are better foragers. If you took two identical ponds and you neglected to feed both ponds equally, the population in the koi pond would die out faster than the population in the goldfish pond. Part of the reason is that koi eat more, so they starve faster. Part of the reason is that goldfish will find food anywhere, including swimming prey like rotifers, fish fry, and insect larva. Koi, on the other hand, tend not to identify or attack small prey like that. Their usual foraging method is bottom sifting, and if the pond has no aggregate or mud on the bottom, there will be no natural forage. Most people would be very surprised by the amount of live fish food that can be found living in the gravel of a properly maintained gravel-bottom pond.
Baby goldfish eat tiny live foods such as baby brine shrimp to help with their growth.
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Second question is, I have baby goldfish every year, can I give them small pallets or will they find plant food or leftovers and I shouldn’t worry abouy them?
Please, tell me how to feed my fish, when and how much? I live in Ohio. Thanks. While goldfish DO need some rich food to live, how much they eat of it has to be very controlled or they  and overweight.
Photo provided by FlickrGood things to feed your goldfish include live foods such as frozen bloodworms, brine shrimp and even earthworms from the garden.
Photo provided by FlickrLive foods for Goldfish
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Goldfish can live for as long as two weeks without food. It is ideal to feed them with fish flakes twice a day, to give goldfish a good staple food for their species. There are specialized fish flakes exclusively for goldfish, so do not make the mistake in giving them tropical fish flakes. The two varieties of flakes are different from each other when it comes to nutritional content.Your goldfish have high need for fresh vegetables, fruit and live food like daphnia or freshwater shrimp. You can feed your goldfish flakes but not as a main source of food. To keep their digestive tract clear you need to give them extra vegetables.There are also live foods that your pet can eat, although extreme care must be observed. Further cultivation of these foods should be left in the hands of the experts, because no one knows exactly what harm these live foods might do to your goldfish.Live foods make for a great alternative to conventional pellets or flakes. Keep in mind that live foods are meats or sources of protein, so you should only feed these to your goldfish 2 or 3 times per week at the very most. Some good options to go with include brine shrimp, daphnia, tubifex worms, glass worms, and aquarium snails. While goldfish have several small teeth in their jaws for gripping and tearing food, a majority of teeth are in the throat. These teeth make it easier for your goldfish to grind up food and essentially eat that long worm whole (though I still recommend chopping up live worms before feeding young goldfish).Freeze dried or frozen goldfish food will be a little more expensive than plain live foods, but they have the advantage of being completely disease free. Keep in mind that you will have to break up the chunks of frozen or freeze dried foods for smaller goldfish to be able to eat them. These foods can come in the form of brine shrimp, blood worms, tubifex worms, krill, plankton, , Cyclops, and daphnia.