Not so many fish in the sea - by 2050

Global fish production will need to increase by 3.4% to be able to meet dietary demands of people in 2050.

With the effects of climate change, West African fish supplies are expected to go up, whereas fish-dependent countries in south and southeast Asia, southwest Africa, Peru and some small tropical island states could have supplies go down.

Manuel Barange and colleagues say that global fish demand will only be met if sustainable harvesting is implemented, there is ongoing aquaculture technological developments (for example, to reduce dependence on wild stock for feed) and wild fish products are effectively distributed when a nation has surplus.

Read more at Plymouth Marine Laboratory