Is it better to have 2 or 3 angelfish in a tank?

There are some setup rules and guidelines necessary for angelfish tanks and aquariums.
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This is a very controversial subject. Many people who are ardent supporters on one side of this subject have very limited experience mixing these two fish. We have kept thousands of them together, backing our beliefs with a lot of experience. In general, angelfish and discus will do fine together if you pay attention to details. They seldom have any interaction with each other. It is other things that can cause problems. Neither must have parasites before being put together. It helps if the discus are the first introduced to the tank with the angelfish being added later. Temperatures should ideally be kept in the lower to mid 80's. Large tanks are best, with a minimum of 10 gallons per adult fish.
Thank you to the Tank Talk Facebook group for sharing their favorite Angelfish tankmates:
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To hatch the angelfish eggs artificially is fairly easy and can be accomplished in many different ways, but there are two key ingredients. One is aeration and the other is very clean water. Most breeders use fungicides. Others keep them in the dark. Some do both. Many put the angelfish eggs in a small tank or jar. Some put them into a large tank. There are many ways being used by different breeders. I will explain our method, which works very well for us. Angelfish are good tank mates for many tetras, some of the most suitable ones are as follows:
Photo provided by FlickrHey Matt I was wondering if I could just have one solo angelfish in a community tank
Photo provided by FlickrDISCUS AND ANGEL FISH TANK
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In your search, you may have come across or “Angelfish”; an appealing-looking fish in any tank that won’t spend your entire budget to care for.A 250 gallon or larger tank should be provided and include large amounts of live rock for hiding and grazing. Not a good candidate for a reef tank, the French Angelfish has a tendency to nip at sessile invertebrates (soft and stony corals) and clam mantles, and also tends to dominate the tank.The most popular types of angelfish found in tanks and one of the most beautiful ones. Their fins are long, but if you try to keep this fish with , they will have their fins bit.Almost every pet store that carries fish has angelfish for sale. They are inexpensive. Mostangelfish you find in the pet store are rather small. However, they do grow up to6 inches in diameter so keep this in mind when choosing the size of your aquarium and theirtankmates. Large angelfish will eat smaller fish in your tank.This type is not as common as the others, but it looks extraordinary in a well-organized tank. Instead of stripes, the Leopard Angelfish has spots.Yes, believe it or not, angelfish seem to have more personality than a lot of other species oftropical fish commonly kept in fish tanks. They are intelligent. I used to keep a tank of angelfish in my bedroom and I fed them as soon as I got up each morning. After a short time, as soon as the angelfish would seeme sit up in the bed they would start dancing around (or the fish equivalent) in anticipationof their breakfast. Considering that the bed was about 10 feet away from the tank makes thisall the more impressive. They had learned that soon after I sat up that I would come to feedthem. In general, angelfish seem to be more aware of the surroundings outside of their aquariumthan most other tropical fish. This is one of the qualities about angelfish that makes them somuch fun to have.