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Global Tuna Fisheries & the MSC Standard    

Independent fisheries scientists in a March 2020 report from ISSF found that four out of 19 major commercial tuna stocks worldwide are being managed to avoid overfishing and to maintain target stock biomass levels: North Atlantic Albacore, Western Pacific Skipjack, South Pacific Albacore, and Indian Ocean Skipjack. These four stocks earned a passing score against the Marine Stewardship Council (MSC) Fisheries Standard on its Principle 1 on “Sustainable Fish Stocks.

MSC is an independent, international, non-profit organization that oversees a program to assess wild-capture fisheries and certify them as “sustainable” if they meet its Fisheries Standard criteria. In the January 2019 edition of the report, five stocks passed Principle 1 (Eastern Pacific Yellowfin no longer does).

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Featured Video 

Doctoral student Melissa Cronin of the University of California, Santa Cruz, is the Grand Prize winner in the International Seafood Sustainability Foundation (ISSF) Seafood Sustainability Contest for her entry, “Incentivizing Collaborative Release to Reduce Elasmobranch Bycatch Mortality,” which proposes handling-and-release methods that purse-seine vessel skippers and crew can use to reduce the mortality of manta rays and devil rays incidentally caught during tuna fishing.


Learn more about her winning idea in an ISSF video.


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ISSF in the News

Letters: Building a better fish-aggregating device 

The Palm Beach Post



Tuna Facts

4 of the 19 major commercial tuna stocks worldwide are being managed to avoid overfishing and to maintain target stock biomass levels


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About the International Seafood Sustainability Foundation (ISSF)

The International Seafood Sustainability Foundation (ISSF) is a global coalition of scientists, the tuna industry and World Wildlife Fund (WWF) — the world’s leading conservation organization — promoting science-based initiatives for the long-term conservation and sustainable use of tuna stocks, reducing bycatch and promoting ecosystem health. Helping global tuna fisheries meet sustainability criteria to achieve the Marine Stewardship Council certification standard — without conditions — is ISSF's ultimate objective. In 2019, ISSF celebrated a “Decade of Discovery” as the organization completed its tenth year of scientific research, advocacy and industry engagement. To learn more, visit iss-foundation.org, and follow ISSF on TwitterFacebook and Instagram.