Topic 9 - Fish Farming (Paper 2)

Question 1

why are fish kept in cages in the sea for fish farming?

Answer 1

to stop them from using as energy swimming
protection from interspecific predation

Question 2

what are fish fed in fish farming?

Answer 2

a diet of food pellets that’s carefully controlled to maximise the amount of energy they get

Question 3

why are young fish kept in seperate cages in the sea?

Answer 3

to ensure as many survive as possible
to prevent intraspecific predation

Question 4

what is the bad thing about keeping fish in cages?

Answer 4

theyre more prone to disease and parasites

Question 5

what is the good thing about keeping fish in tanks?

Answer 5

water can be monitored for temp, pH and oxygen level
food can be controlled easily
water can be removed and filtered, avoiding pollution