Noun
A house for hatching fish, etc.
Source: Webster's dictionaryOvertime, hatchery fish tend to show signs of domestication and these traits adapted to the hatchery environment can make it more difficult to survive in the wild. Norm Dicks
We are also working on the restoration of salmon runs, and we are doing a new process of mass marking with these fish so we can tell the wild fish from the hatchery fish. Norm Dicks
the park authorities operated a trout hatchery Source: Internet
‘At the fundamental level, if you can understand the hormonal control mechanisms of reproduction and how environmental factors are driving these, you can tailor culture conditions to optimise reproductive success in a hatchery. Source: Internet
Many native lake trout populations have been severely damaged through the combined effects of hatchery stocking (planting) and over harvest. Source: Internet
At the other extreme are springs at Hot Creek Fish Hatchery which contain a small component (2–5%) of thermal water that raises water temperatures about convert higher than background temperatures. Source: Internet