Pros and Cons of Aquaculture

1
Pros and Cons of Aquaculture
2
Pros

• Meets increasing consumer demand for seafood
• Does not contribute to declining wild fish stocks
• Independent of fisheries mismanagement
• Provides employment

3
Pros, contd

• Less bykill
• Less habitat degradation

4
Cons

• Fish escape (disease transmission to wild stock,
  competition with wild stock, genetics)
• Entanglement of wild creatures in aquaculture
  nets
• Uneaten food and feces the sinks below cage can
  suffocate benthic organisms and change water
  quality

5
Cons, contd

• Use of antibiotics may change the bacterial
  community around the cages
• Hard feelings in communities

6
Salmon Cages
7
Fish Diseases
Sea lice
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Fish Diseases
9
Age determination by rings on fish scales