Pros and Cons of Aquaculture

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Pros and Cons of Aquaculture
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Pros

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

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Pros, contd

• Provides tax revenu
• Increases scientific knpwledge
• 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
• Can compromise native gene pools if farmed fish
  and native species interbreed
• Can threaten livelihood of fishermen
• Can be an unpredictable enterprise for small
  local communities due to its
• susceptibility to severe weather, predators,
  disease, and global competition
• Can compromise the aesthetic beauty of coastline

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