A production method in which barrow pits, farm ponds, or lakes are used for fish production by containing the fish in cages placed in the water.
A relatively insoluble salt, CaCO3, the primary constituent of limestone and a common constituent of hard water.
A colorless, odorless gas, CO2, resulting from the oxidation of carbon-containing substances; highly soluble in water. Toxic to fish at high levels. Toxicity to fish increases at low levels of oxygen. May be used as an anesthetic.
The CO3- ion, or any salt formed with it, such as calcium carbonate, CaCO3.
Feeding or preying on animals.
The population, number, or weight of a species that a given environment can support.
Migratory fish that live in fresh water but breed in salt water.
The tail fin of fish.
Species, such as catfish, which spawn in a cavity along the bank of a pond. In commercial aquaculture a container such as a milk can is substituted.
Cold Water Species
Generally, fish that spawn in water temperatures below 55°F. The main cultured species are trout and salmon. See Cool water Species; Warm Water Species.
Both natural and artificial materials not typically found or found in unusually high concentrations which can be detrimental to the health of wild or farmed aquatic species
A barrier made of compacted clay that anchors the pond levee to the surrounding topography.
A marketing unit of measurement equal to number per pound. For example, a 20 count would be the same as 20 per pound.
Cubic Foot Per Minute
Flow rate equal to 449 gallons per minute.
Artificial holding areas used to rear fish farm stocks.