Freshwater fish are the most popular type of pet kept in home aquariums. Freshwater fish tend to be cheaper and easier to maintain than their saltwater cousins.
There are literally hundreds of varieties of freshwater fish available to fishkeepers, also known as "aquarists." Some of the more popular varieties include angelfish, guppies, goldfish, betta fish and African cichlids.
Freshwater fish can be broken down into two major categories: Tropical fish, which are generally more colorful and require heated waters, and cold water fish such as goldfish, Siamese fighting fish and koi that do not need to be heated.
Featured Video
Freshwater Fish Merchandise
Books
Amazon.com: The Simple Guide to Fresh Water Aquariums
That Pet Place: Freshwater Aquarium Books
Amazon.com: Freshwater Fish & Aquarium Books
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References
Fast Facts
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Fact:
41% of fish species live in fresh water
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Fact:
Larger tanks are more stable
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Fact:
Plenty of hiding spaces make for healthier fish
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Fact:
Experts recommend maintaining a regular feeding schedule
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Fact:
A 2006 survey showed that Americans own 139 million freshwater fish
