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Aquaculture production has increased rapidly during the last three decades. This is due to increased production of established species as well as a continuous introduction of new species. Productivity growth is the main engine for the increased production in aquaculture, and as the accumulated knowledge is applied to new species and in new regions, production is expected to continue to increase. Along with the production growth an increasing quantity of aquaculture products is being internationally traded. This is rapidly changing several segments of the global seafood market. While high value species such as salmon and shrimp were the first to be traded internationally, low cost species like tilapia and pangasius are currently transforming large parts of the whitefish market.
Asche et al. (Wed,) studied this question.