A place where eggs, especially those of fish or poultry, are hatched.
- Of the city is a state fish hatchery, and there are fine trout streams in the neighbourhood.
- The New Hampshire State Fish Hatchery is in Laconia.
- Of Brooklyn, is a small unincorporated village, once famous for its whale-fisheries, and now best known for the presence here of the New York State Fish Hatchery, and of the Biological Laboratory of the Brooklyn Institute of Arts and Sciences and of the laboratory of the Department of Experimental Evolution of the Carnegie Institution of Washington.
- For the protection and promotion of the lobster fishery the United States government has established a lobster hatchery at Boothbay Harbor; and the state legislature enacted a law in 1895 prohibiting the taking of lobsters less than 102 in.
- Monterey Bay has a remarkable variety of fish; and there is a large fish hatchery near the city.