ISSF
ISSF’s mission is to undertake and facilitate science-based initiatives for the long-term conservation and sustainable use of global tuna stocks, reducing bycatch and promoting tuna ecosystem health.
Bycatch Mitigation
ISSF supports initiatives that track, report on and minimize “bycatch” — including sharks, rays, finfish and sea turtles — in tuna fishing. Bycatch is any catch that is not the main objective of a fishing fleet.
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Improving Silky Shark Survival
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February 6, 2017 -
Skipper Workshop Locations with Total Attendance (2009-2016)
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February 1, 2017 -
Bycatch Mitigation Conservation Measures Category
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November 10, 2016 -
Protecting Sharks: Reducing Shark Bycatch in Purse Seine Fisheries
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September 27, 2016 -
Saving Sea Turtles Infographic (Spanish Version)
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August 24, 2016 -
Saving Sea Turtles Infographic (English version)
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August 24, 2016 -
Non-target Species Caught in Tuna Fisheries
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April 15, 2016 -
Shark Bycatch In Purse Seine Fisheries
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September 22, 2013
Compliance
ISSF participating companies are audited annually on their compliance with ISSF conservation measures.
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Participating Company 2016 Audit Results (May 2017)
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May 23, 2017 -
Aggregate Participating Company Compliance Over Time (May 2017)
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May 22, 2017 -
The Ideal Purse Seine Vessel: A Guide To Demonstrating Best Practices & Meeting ISSF Conservation Measures
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May 13, 2015
Conservation Measures
ISSF Participating Companies commit to conform to conservation measures to improve the long-term health of tuna fisheries.
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Participating Company 2016 Audit Results (May 2017)
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May 23, 2017 -
Aggregate Participating Company Compliance Over Time (May 2017)
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May 22, 2017 -
ISSF 2016 Year in Review
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February 7, 2017 -
Bycatch Mitigation Conservation Measures Category
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November 10, 2016 -
Monitoring, Control & Surveillance Conservation Measures Category
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November 10, 2016 -
Illegal, Unreported and Unregulated (IUU) Fishing Conservation Measures Category
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November 10, 2016 -
Capacity Conservation Measures Category
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November 10, 2016 -
ProActive Vessel Register Conservation Measures Category
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November 10, 2016 -
Miscellaneous Conservation Measures Category
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November 10, 2016 -
Traceability & Data Collection Conservation Measure Category
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November 10, 2016 -
RFMO Support Conservation Measure Category
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November 10, 2016 -
Conservation Measures by Category
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November 10, 2016 -
The Ideal Purse Seine Vessel: A Guide To Demonstrating Best Practices & Meeting ISSF Conservation Measures
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May 13, 2015
FADs
Fish-aggregating devices (FADs), widely used by fishing vessels, are floating objects in the ocean that vessels use to attract tuna. ISSF has recommended replacing traditional FADs with non-entangling ones to avoid bycatch.
Harvest Control Rules
Harvest control rules (HCRs), which are based on stock status, are agreed-upon guidelines for how much fishing of a particular species can take place.
IUU
Illegal, unreported, and unregulated fishing (IUU) can take many forms, from fishing in closed areas to not reporting catches.
ProActive Vessel Register
Hundreds of vessels around the world are listed on ISSF’s searchable ProActive Vessel Register (PVR), signaling their commitment to transparency in their operations that impact tuna fisheries sustainability.
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ProActive Vessel Register Growth, 2012-January 2017
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February 27, 2017 -
ISSF 2016 Year in Review
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February 7, 2017 -
ProActive Vessel Register (PVR) Application Process
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January 12, 2017 -
ProActive Vessel Register Growth, 2012-November 2016
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December 9, 2016 -
ProActive Vessel Register Conservation Measures Category
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November 10, 2016 -
The Ideal Purse Seine Vessel: A Guide To Demonstrating Best Practices & Meeting ISSF Conservation Measures
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May 13, 2015
Skipper Workshops
More than 1,000 skippers from tuna vessels have attended ISSF educational workshops around the world, learning how to avoid bycatch when possible, safely handle bycatch species — such as sharks and turtles — to maximize their survival, and more.
Stock Status
We publish annual, detailed scientific assessments of the state of tuna stocks worldwide, by species, ocean, and other factors.
