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Fish hatcheries are places where fish are bred. Some fish hatcheries breed fish that will be sold for food. Other fish hatcheries breed fish that will end up in home aquariums. Some fish hatcheries breed fish that will be put into the wild to supplement numbers of fish in lakes and streams. At fish hatcheries people assist in the fertilization of fish eggs and fish are kept in enclosed environments until they are ready to be sold or released. Different fish hatcheries specialize in breeding different kinds of fish. Some fish hatcheries are salmon hatcheries. Other fish hatcheries are trout hatcheries. Some fish hatcheries specialize in breeding fresh water fish while others specialize in raising salt water fish. Some fish hatcheries are run by the federal government or state governments while others are privately-owned.
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