the process of cultivating and breeding a large number of juveniles in an enclosed environment. The juveniles are then released into lakes, rivers or fish farm enclosures. Found on http://en.wikipedia.org/wiki/Glossary_of_fishery_terms
A hatchery is a facility where eggs are hatched under artificial conditions, especially those of fish or poultry. It may be used for ex-situ conservation purposes, i.e. to breed rare or endangered species under controlled conditions; alternatively, it may be for economic reasons (i.e. to enhance food supplies or fishery resources). ==Fish hatcheri... Found on http://en.wikipedia.org/wiki/Hatchery
(from the article `commercial fishing`) Fish farming as originally practiced involved capturing immature specimens and then raising them under optimal conditions in which they were well fed ... Found on http://www.britannica.com/eb/a-z/h/22
noun a place where eggs are hatched under artificial conditions (especially fish eggs); `the park authorities operated a trout hatchery` Found on https://www.encyclo.co.uk/local/20974