Pros and Cons of Aquaculture
Pros
Meets increasing consumer demand for
seafood
Does not contribute to declining wild
fish stocks
Independent of fisheries
mismanagement
Provides employment
Pros, cont’d
Less bykill
Less habitat degradation
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
Cons, cont’d
Use of antibiotics may change the
bacterial community around the cages
Hard feelings in communities
Salmon Cages
Fish Diseases
Sea lice
Fish Diseases
Age
determination
by rings on
fish scales