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Fish Farming

Fish Farming

Fish Farming

Fish farming can be seen in both a positive and a negative light. Although it may not be a natural method of obtaining food, it helps to preserve the wild populations of fish.

This lesson looks at the effects of fish farming on biodiversity.

What is a fish farm?

What will you find at a fish farm?

What type of water do the fish tanks contain? Pick all the options you think are correct.

You can select multiple answers

There are many fish in each tank in a fish farm. Why do you think that is?

What can be the problem with having a lot of fish in one tank?

To prevent fish from fighting each other, fish farms separate them in different tanks. What could be a good method to separate them? Pick all the options you think are correct.

You can select multiple answers

Fish are separated to prevent interspecific competition. What do you think that means?

Fish are also separated to prevent intraspecific competition. `What do you think that means?Intraspecific competition is competition between fish of ___________ species.

Male and female fish are also separated. Why would that be?

Fish farms keep large amounts of fish in salt or fresh water tanks. They separate the fish by species to prevent interspecific competition and by age to prevent intraspecific competition. They are also separated by gender to regulate mating.

Fish farms support sustainable fishing. How can fish farms support the number and diversity of fish?

In fish farms, the owners will select which fish will mate. We call that selective breeding. What problem does selective breeding cause?

Will the diversity of species within fish farms increase or decrease?

Fish farms do not catch wild fish. That supports biodiversity of wild fish. However, fish farms do carry out a lot of selective breeding and that leads to decreased biodiversity in the fish farm fish.