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Latest Update to ISSF Participating Company Compliance Report Shows 99.1% Conformance with ISSF Conservation Measures

The International Seafood Sustainability Foundation (ISSF) has released its Update to ISSF Annual Conservation Measures & ProActive Vessel Register Compliance Report, which shows a conformance rate of 99.1% by 23 ISSF participating companies with all 33 ISSF conservation measures in effect.

This report updates the ISSF Annual Conservation Measures & ProActive Vessel Register Compliance Report published in June 2024 and reflects efforts by ISSF participating companies to improve on those instances where less than full compliance was achieved. Remedial audits, if any, take place between June and October each year against measures for companies with minor nonconformance or major nonconformance.

Following the remediation period since the annual compliance report in June 2024, 17 of 23 companies fully complied with 33 audited measures, five companies had one minor non-conformance, and one had two minor non-conformances. The 99.1% conformance rate is a slight increase from 98.95% in June.

As part of its commitment to foster transparency and accountability in the fishing industry, ISSF engages third-party auditor MRAG Americas to assess ISSF participating seafood companies’ compliance with ISSF conservation measures according to a rigorous audit protocol.

“The transparent and independent auditing process our participating companies and vessels volunteer to undergo builds on the foundation of accountability that makes our conservation measures effective — and helps to hold other industry players to high standards,” said ISSF President Susan Jackson. “ISSF participating companies and vessels make the continuous improvement of global tuna fishery sustainability a key part of their business operations by individually committing to conservation measures and providing transparency into ongoing efforts and progress.”

ISSF’s report also includes the aggregate compliance rate of vessels listed on its ProActive Vessel Register (PVR). That data — reported as of December 31, 2023 — is unchanged from the June 2024 report. For PVR-listed vessels, the report shows an aggregate compliance rate of 76% with the 12 ISSF conservation measures that directly address vessel activity, including RFMO Participation; Transactions with Vessels that Use Only Non-entangling FADs; Vessel-based FAD Management Policy; and Observer Coverage, for example. The PVR is one of four public vessel lists ISSF provides to foster transparency in tuna fishing.

Details of the Updated Report

The November 2024 report is based on updates to the initial audit results published in June 2024, which showed six companies had one minor non-conformance with conservation measures in the prior year, and one company had two minor non-conformances.

The Update to ISSF Annual Conservation Measures & ProActive Vessel Register Compliance Report is published in November to track ISSF participating companies’ progress in conforming with ISSF conservation measures like these:

MRAG Americas also issues individual ISSF participating company reports that detail each company’s compliance with the ISSF conservation measures for the year. These will include any “update” reports, published throughout the year, that explain how individual companies have remediated any non-conformances on the conservation measures.

More Information on ISSF Conservation Measures & Compliance

For long-term sustainability, tuna companies worldwide participate with ISSF, follow responsible fishing practices and implement science-based conservation measures. From bycatch mitigation to product traceability, ISSF participating companies have committed to conforming to conservation measures and other commitments designed to drive positive change — and to do so transparently through third-party audits.

View the updated report here and related infographics here.

View ISSF conservation measures here.

View ISSA compliance policy here.

A Global View of ISSF & Tuna Industry Influence for Sustainable Fishing Policies

Beginning with a network of 23 leading progressive seafood companies and extending to Marine Stewardship Council (MSC)-certified tuna fisheries and tuna fishery improvement projects (FIPs) — including stakeholders that ISSF technical experts engage with — ISSF’s advocacy partnerships with the fishing industry have a broad global reach and impact. This Web feature visualizes that “influence network” in four major tuna fishing regions.

ISSF Updates “Snapshot of the Large-Scale Tropical Tuna Purse Seine Fishing Fleets” for 2024

The International Seafood Sustainability Foundation (ISSF) has updated its ISSF 2024-05: Snapshot of Large-Scale Tuna Purse Seine Fishing Fleets report for June 2024. The report shows approximately 650 vessels defined as large-scale purse-seine (LSPS) vessels are fishing for tropical tuna species, a slight decrease of 0.3% from last year, with a combined fishing capacity of 863,000 m3 (cubic meters), a 3% increase from last year.

Purse seine fishing vessels catch about 66% of the 5.2 million tonnes of tuna caught annually worldwide. ISSF analyzes and aggregates information from the five tuna regional fisheries management organizations (RFMOs) and other sources to create this annual report focusing on LSPS vessels targeting tropical tuna species: skipjack, yellowfin and bigeye.

Report Key Findings

Large-scale purse-seine (LSPS) vessels are defined as having 335 m3 fish hold volume (FHV), a measure of vessel capacity, or greater. The number of LSPS vessels targeting tropical tuna fluctuates from year to year due to several factors, such as new vessels being constructed or vessels no longer active due to being sunk or scrapped. In addition, the report aims to estimate active capacity, omitting vessels not listed on the RFMO Authorized Vessel Records when the “snapshot” was taken.

This year’s report shows that 20 LSPS vessels built after 2012 — including seven built in 2023 and one in 2024 — were added to the tropical tuna RFMO authorized vessel lists since the prior Snapshot released in June 2023. Around half of these newly constructed vessels are flagged to Indonesia and have an FHV close to the 335 m3 threshold.

The number of LSPS vessels slightly decreased to 650 vessels compared to the 652 reported last year. Those vessels had 863,000 m3 of combined fishing capacity — up 3% from 841,000 m3 reported in June 2023. Notably, most LSPS vessels (504) are registered on the ISSF ProActive Vessel Register (PVR), and PVR-registered LSPS vessels represent 78% of the total number and 84% of FHV. The independently audited PVR is one of four ISSF public vessel lists that foster transparency in tuna fisheries. Fishing vessels can be registered on the PVR to show how they follow best practices supporting sustainable tuna fisheries.

The “snapshot” report summarizes all changes that have taken place annually since 2012 and shares additional findings and observations, including:

  • The total number of all purse-seine vessels worldwide increased from 1,837 in 2023’s report to 1,939 today.
  • About 12% of large-scale vessels are authorized to fish in more than one RFMO, which should be considered in any efforts to manage fishing capacity at a regional level.
  • Among the tuna RFMOs (tRFMOs), the Western and Central Pacific Fisheries Commission still has the highest LSPS registrations (305).

Report Recommendations

An accurate estimate of active vessels is critical for managing tuna fishing capacity regionally and globally. The figures shared in the ISSF report may underestimate the total fleet size because many small-scale purse seiners or purse seiners operating in only one exclusive economic zone are not required to be listed on RFMOs’ records of authorized fishing vessels. The report recommends that all tRFMOs maintain lists of vessels authorized to operate in the entire Convention Areas and lists of vessels actively fishing in the Convention Areas each year. These actions would help make it possible to estimate active capacity by region in any given year.

Compared to last year’s estimates, there were numerous changes in tRFMO-authorized vessel records once more. Several vessels that appeared on the records in 2023 can no longer be found. Other — older — vessels that were not on the records are now listed, and some vessels have been reclassified as being large or not large using vessel size data that was not previously available.

The quality of data in RFMO records has improved in recent years, but substantial gaps remain. The report recommends, “Tuna RFMO members exercise greater quality control of the vessel data they submit to the tRFMOs for the vessel records and tRFMOs adopt vessel registry requirements that include quality control mechanisms.”

View the updated report here and a related infographic here.

ISSF Report: 12 Tuna Stocks Not Meeting Criteria for Marine Stewardship Council (MSC) Fisheries Standard

Fisheries scientists in An Evaluation of the Sustainability of Global Tuna Stocks Relative to Marine Stewardship Council Criteria — a June 2024 report commissioned by the International Seafood Sustainability Foundation (ISSF) — found 11 of the 23 major commercial tuna stocks worldwide are successfully avoiding overfishing and maintaining target stock biomass levels when measured against the Marine Stewardship Council (MSC) Fisheries Standard. In the March 2023 edition of the ISSF report, eight stocks passed Principle 1. In this year’s report, three additional stocks received a passing score.

The 11 stocks are Western Atlantic skipjack, North Atlantic albacore, South Atlantic albacore, Eastern Atlantic bluefin, Western Pacific yellowfin, Western Pacific bigeye, Western Pacific skipjack, Eastern Pacific yellowfin, Eastern Pacific skipjack, Indian Ocean skipjack and Southern Ocean bluefin. These stocks achieved a passing score for the Standard’s Principle 1, “Sustainable Fish Stocks,” which requires fisheries to be managed in a manner that does not lead to overfishing or depletion of exploited fish populations.

Seven of the 23 stocks also have fully implemented well-defined harvest control rules. However, failure to implement controls before rebuilding is required continues to contribute to an increasing number of stocks failing to meet minimum requirements on harvest control rules.

An Evaluation of the Sustainability of Global Tuna Stocks Relative to Marine Stewardship Council Criteria was authored by Paul A. H. Medley and Jo Gascoigne.

About the MSC Fisheries Standard

MSC is an independent, international, non-profit organization that oversees a program to assess global wild-capture fisheries and certify them as “sustainable” if they meet its Fisheries Standard criteria.

About the Report

ISSF 2024-06: An Evaluation of the Sustainability of Global Tuna Stocks Relative to Marine Stewardship Council Criteria takes a consistent, comprehensive approach to scoring tuna stocks based on certain components of the MSC standard. Updated regularly since it was first published in 2013, and organized by individual tuna stock and tuna Regional Fisheries Management Organization (RFMO), the report is designed to:

  • Provide a basis for comparing between stocks scores that are assigned by the same experts
  • Become a useful source document for future tuna certifications
  • Give a “snapshot” of the current status of the stocks and the strengths and weaknesses of RFMOs

The updated scores in the report focus on stock status (MSC Principle 1) and are based on publicly available fishery data. MSC Principle 1 is evaluated in relationship to its Performance Indicators (PIs). The report is adapted to MSC standard 2.01 — released in 2019 — and to changing stock status and management situations. As the MSC has delayed implementation of MSC Standard 3.0, ISSF will adjust the report to measure against the new standard when appropriate in the future. In addition, this update does not re-score the RFMO section (Principle 3).

The Evaluation report includes detailed remarks on each stock, evaluations of the five RFMOs and comprehensive reference citations.

MSC Principle 1

The MSC Principle 1 states: “A fishery must be conducted in a manner that does not lead to over-fishing or depletion of the exploited populations and, for those populations that are depleted, the fishery must be conducted in a manner that demonstrably leads to their recovery.” The report authors attribute stocks with failing scores to poor stock status, the lack of well-defined harvest control rules in place and the lack of effective tools to control harvest. In the 2024 report, seven of the 23 stocks have fully implemented well-defined harvest control rules.

Notes regarding tuna stocks receiving passing scores:

  • Unchanged since last year’s March 2023 version of the report, of nine tuna stocks in the Atlantic Ocean, four received an overall principle-level passing score: Western skipjack, Northern albacore, Southern albacore and Eastern bluefin.
  • Among nine tuna stocks in the Pacific Ocean, these five received overall principle-level passing scores: Western yellowfin, Western bigeye, Western skipjack, Eastern yellowfin and Eastern skipjack. Western yellowfin and Western bigeye did not receive a principle-level passing score in the March 2023 report.
  • Among four tuna stocks in the Indian Ocean, as in last year’s report, only skipjack received an overall principle-level passing score.
  • Southern bluefin received an overall principle-level passing score — a change from last year’s report. This stock is also the second bluefin stock to receive a passing score.

Notes regarding tuna stocks receiving failing scores:

  • In the Atlantic, yellowfin, bigeye, Eastern skipjack, Mediterranean albacore and Western bluefin received principle-level failing scores — as also reported last year.
  • In the Pacific, four stocks — as also reported last year — received overall principle-level failing scores: Eastern bigeye, Northern albacore, Southern albacore and Pacific bluefin.
  • In the Indian Ocean, as reported last year, yellowfin, bigeye and albacore all received overall principle-level failing scores.

An updated infographic featuring average scores based on MSC Principle 1 since 2013 is available for download on ISSF’s website. Additionally, a related infographic featuring average scores for each tuna RFMO based on Principle 3 is available.

Since 2011, ISSF has been an active stakeholder in MSC tuna fishery assessments and certifications. ISSF’s strategic objective is to develop and implement verifiable, science-based practices, commitments, and international management measures to help all tuna fisheries become capable of meeting and maintaining the MSC certification standard.

ISSF Publishes 2023 Annual Report Highlighting Collaborative Progress Toward More Sustainable Tuna Fisheries

The International Seafood Sustainability Foundation (ISSF) released its 2023 annual report today, titled Navigating Toward Sustainable Tuna Fisheries, which presents the organization’s accomplishments on the path to more sustainable tuna fisheries — especially through collaboration with tuna vessels, fishers and other partners in the seafood industry.

“Skilled, conscientious fishers in all oceans take proactive steps every day to protect marine life — avoiding overfishing, reducing bycatch and providing data for scientific and compliance reporting — while harvesting their catch. As one indicator of the strides they have made, more than 65 tuna fisheries are certified by the Marine Stewardship Council as meeting its criteria,” Susan Jackson, ISSF President, remarks in the report. “We are grateful to ISSF’s many vessel partners in sustainable fishing — and we celebrate our multi-faceted collaborations with fishers at sea and on shore.”

Navigating Toward Sustainable Tuna Fisheries reviews ISSF’s continued marine research and advocacy efforts to identify and promote best practices in tuna and ocean conservation with fishers, vessels, tuna companies and Regional Fisheries Management Organizations (RFMOs). The report also covers ISSF’s activities with peer environmental nongovernmental organizations (NGOs) and scientific agencies and highlights work to promote verified accountability in sustainability commitments made throughout the tuna supply chain.

Jackson continued, “Since our founding, ISSF has prioritized — and prized — working closely with fishers, vessel owners and the organizations that represent them to better understand their sustainable-fishing challenges, successes and techniques. Nearly two decades later, we are still enthusiastically listening, learning and contributing resources and support.”

Navigating Toward Sustainable Tuna Fisheries Highlights

ISSF’s 2023 annual report includes a feature article on the importance of ISSF’s Vessels in Other Sustainability Initiatives (VOSI) list and other efforts to make electronic monitoring (EM) adoption in all tuna fisheries — regardless of vessel type or ocean region — a reality. Ben Gilmer, Chair of ISSF Environmental Stakeholder Committee and Director of Large-Scale Fisheries, The Nature Conservancy, authors “Tools for Transparency.”

The report also outlines ISSF’s critical science-focused and verification-related efforts with industry partners, including seafood companies and tuna fishing vessels. ISSF accomplishments in 2023 include:

  • 35 coordinated research projects on ecosystem impacts, tuna stock health and combatting Illegal, Unreported and Unregulated (IUU) fishing activities — demonstrating ISSF’s scope of research and impact
  • Information exchange and problem-solving between fishers and scientists through 25 in-person purse seine skippers’ workshops with 480+ participants. Also, 1,575 fishers completed ISSF’s Skippers’ Guidebooks to Sustainable Fishing Practices.
  • Reaching 1,500+ registrations on the ProActive Vessel Register (PVR) — one of four public vessel lists ISSF provides to foster transparency in tuna fishing. Also, ISSF has more than doubled registrations on its VOSI public vessel list for seafood sourcing to nearly 500 since the list’s October 2020 inception.
  • Engagement with 100% of active tuna purse seine fisheries improvement projects (FIPs) and 75% of longline FIPs.

Downloadable infographics and links to related reports and interactive content on the ISSF website are also available throughout the Navigating Toward Sustainable Tuna Fisheries PDF.

ISSF Annual Conservation Measures & ProActive Vessel Register Compliance Report

Navigating Toward Sustainable Tuna Fisheries are findings from the complementary ISSF Annual Conservation Measures & ProActive Vessel Register Compliance Report, which ISSF publishes to coincide with the annual report. In addition to reporting ISSF participating companies’ performance on ISSF conservation measures, the report now also shows PVR vessels’ aggregate compliance on relevant ISSF conservation measures.

For 23 ISSF participating companies as of December 2023, the ISSF Annual Conservation Measures & ProActive Vessel Register Compliance Report shows a conformance rate of 98.95%. It tracks companies’ progress in conforming with ISSF’s 33 conservation measures, such as:

  • Submitting quarterly purchase data by vessel, trip dates, species, size and other data to RFMO scientific bodies
  • Conducting transactions only with purse seine vessels whose skippers have received science-based information from ISSF on best practices such as reducing bycatch
  • Avoiding transactions with vessels that are on an RFMO IUU fishing list

For PVR-listed vessels, the report shows an aggregate compliance rate of 75.78% with the 12 ISSF conservation measures that directly address vessel activity, including RFMO Participation; Transactions with Vessels that Use Only Non-entangling FADs; Vessel-based FAD Management Policy; and Observer Coverage, for example. Vessel participation in these measures is shown in columns on the PVR.

As part of its commitment to transparency and accountability, ISSF engages third-party auditor MRAG Americas to audit participating companies to assess their compliance with ISSF’s conservation measures. MRAG Americas conducts independent auditing based on a rigorous audit protocol. MRAG Americas also audits the vessels on the PVR for compliance against the ISSF conservation measures that are tracked on the vessel list.

In addition to the summary compliance report, MRAG Americas issues individual reports that detail each participating company’s compliance with ISSF’s conservation measures. ISSF publishes these individual company compliance reports on its website. Individual PVR vessel compliance information can also be found on the PVR list on the ISSF website.