Fish Can be Farmed In Cages In The Sea

Question 1

1) why are the fish kept in cages in the sea?

Answer 1

Stop them using as much energy swimming about

Question 2

2) what does the cage protect them from?

Answer 2

Interspecific predation

Question 3

3) what diet are they fed and why?

Answer 3

Food pellets thats carefully controlled to maximise the amount of energy they get

Question 4

3) the bigger the quality of food?

Answer 4

The quicker and bigger the fish will grow

Question 5

4) why are young fish reared in special tanks?

Answer 5

To ensure as many survive as possible

Question 6

5) why is it important to separate little fish from big fish and provide regular food?

Answer 6

Makes sure the big fish don’t eat the little ones

Question 7

What is intraspecific predation?

Answer 7

Where organims eat individuals of the same species

Question 8

6) what are fishes kept in cages more prone to?

Answer 8

Disease and parasites e.g sea lice

Question 9

6) what can sea lice be treated with?

Answer 9

Pesticides

Question 10

6) how do they avoid pollution from chemical pesticides?

Answer 10

Biological pest control can be used instead e.g wrasse eat the lice

Question 11

7) what can the fish be selectively bred for?

Answer 11

To produce less aggressive, faster-growing fish