Abstract: The present work develops and implements at the global scale an innovative methodological approach to identify opportunities for farming seven fish species in offshore zones. The proposed methodology is based on a three-step approach integrated by: i) the biological suitability, to identify areas with optimal conditions for fish growth; ii) the structural suitability, to identify adequate areas for the integrity and durability of the cages; and iii) the operational suitability to evaluate the possibility of carrying out the operational and maintenance activities. The integration of these three complementary aspects, allowed the mapping of suitable zones for farming each fish species. It is shown, that the main potential zones for fish farming are concentrated in South America (South Pacific and South Atlantic Ocean), Africa (North Atlantic Ocean), Mediterranean Sea, Japanese and Chinese Seas and Oceania. The unprecedented global analysis presented by this work, considering comprehensive aspects other than only the biological requirements, provides guidelines to assist future studies in marine management.

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