ISSF Claims Sustainability Gaps Persist In Tuna Fisheries Despite MSC Certification 

11 November 2025

The International Seafood Sustainability Foundation (ISSF) recently released a report that reviewed all "open conditions" for tuna fisheries certified under the Marine Stewardship Council (MSC). It found 550 “open conditions” across 65 certified tuna fisheries, mostly related to harvest strategies...

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