Fish farming

Fish farming

Of, or pertaining to the artificial mass cultivation of fish

Industry: Fishing

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Fish farming

Chloramine

Fishing; Fish farming

This substance is sometimes used as a bactericide in municipal water supplies. It it poisonous to fish, but can be removed with special dechlorinating compounds. Unlike chlorine, it will not ...

This substance is commonly used to keep bacteria out of municipal water supplies. It is poisonous to fish, but can be removed with special dechlorinating compounds, or by letting a bucket of water ...

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.