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Seafood Companies Collaborating Through ISSF to Advance Sustainable Tuna Fisheries
Collaboration across the seafood supply chain plays an important role in advancing sustainable tuna fisheries worldwide.
Today, 97% of the global commercial tuna catch comes from stocks at healthy abundance levels and nearly 100% of the catch comes from stocks not experiencing overfishing, according to ISSF’s Status of the Stocks report — reflecting decades of science-based fisheries management and coordinated action across governments, scientists, fishers, and seafood companies.
Through participation in the International Seafood Sustainability Association (ISSA), seafood companies work alongside scientists, environmental organizations, and other stakeholders to support science-based conservation measures, strengthen transparency, and advance responsible fishing practices. ISSA supports the work of ISSF, whose initiatives focus on improving tuna fisheries through research, innovation, and the implementation of science-based best practices.
Participation in ISSA provides tuna companies with opportunities to:
- Support the development and implementation of science-based conservation measures
- Demonstrate sustainability commitments through independent audits against ISSF conservation measures
- Access transparency tools that support responsible sourcing, including the ISSF ProActive Vessel Register (PVR) and Vessels in Other Sustainability Initiatives (VOSI)
- Collaborate with scientists, NGOs, and industry partners to advance improvements in global tuna fisheries
Retailer and buyer policies increasingly reference ISSF participation and the use of these transparency tools as part of their sustainability expectations.
Explore ISSF Participating Companies
Featured Resource
Why Seafood Companies Support ISSF
This downloadable resource highlights how participation in ISSF helps seafood companies advance sustainable tuna fisheries.
The guide outlines how participation helps companies:
- Support science-based fisheries conservation
- Demonstrate verified sustainability commitments
- Access practical tools and resources developed by ISSF scientists and partners
- Contribute to improvements in tuna fisheries management and fishing practices
ICYMI
ISSF Annual Compliance Report Shows Continued High Conformance with Science-Based Conservation Measures for Sustainable Tuna Fisheries
ISSF published its latest ISSF Annual Conservation Measures & ProActive Vessel Register Compliance Report, providing independently audited results on implementation of ISSF Conservation Measures by participating companies and vessels listed on the ISSF ProActive Vessel Register (PVR).
For the 2025 audit period, the 24 ISSF participating companies achieved a 98.8% conformance rate across 32 ISSF measures. The report also summarizes aggregate compliance on the PVR for the vessel-related measures it tracks. Independent audits were conducted by MRAG Americas in accordance with established audit protocols.
“ISSF’s Conservation Measures are more than commitments on paper,” said Susan Jackson, ISSF President. “For the tenth consecutive year, participating companies achieved more than 90% conformance with ISSF Conservation Measures, reflecting a sustained commitment to implementing science-based best practices. Independent auditing and public reporting help demonstrate how those measures are being implemented by participating companies and PVR-listed vessels. Together, they provide an important level of accountability that supports ISSF’s science-based approach to tuna fisheries.”
