6 Terms
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Fish farming
Of, or pertaining to the artificial mass cultivation of fish
Industry: Fishing
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Fish farming
cichlids
Fishing; Fish farming
A family of freshwater fish found naturally in South America and Africa. Most of them are very aggressive fish.
conditional fishing mortality rate
Fishing; Fish farming
The fraction of an initial stock which would be caught during the year (or season) if no other causes of mortality operated.
conditional natural mortality rate
Fishing; Fish farming
The fraction of an initial stock that would die from causes other than fishing during a year (or season), if there were no fishing mortality.
controller
Fishing; Fish farming
A device which measures some parameter of an aquarium, and then switches on and off another device to affect the aquarium. Typical controllers include redox, and pH.
critical size
Fishing; Fish farming
The average size of the fish in a year class at the time when the instantaneous rate of natural mortality equals the instantaneous rate of growth in weight for the year-class as a whole.
cylinder pump
Fishing; Fish farming
A type of air pump which can produce great volumes of air, though they are noisier than the more common diaphragm pumps.
deionization
Fishing; Fish farming
A process for filtering tap water before it is added to the aquarium. It comes with either separate or mixed-bed resins. The mixed-bed resins are disposable when they are exhausted, whereas separate ...
