The 2010 study to estimate numbers of farmed fish (see subpages below) also estimated that, on average each year for 2005-2009, between 0.45 and 1.0 trillion* (ie 450,000,000,000 – 1,000,000,000,000) wild fish were caught for reduction to fish oil and fishmeal, mainly used to feed farmed fish.

 

 

* rounded to 2 significant figures.

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