ISSF Report Finds Global Tuna Stock Abundance Getting Worse

Home Fisheries ISSF Report Finds Global Tuna Stock Abundance Getting Worse
ISSF Report Finds Global Tuna Stock Abundance Getting Worse

The recently released International Seafood Sustainability Foundation’s (ISSF) “Status of the Stocks” report found the world’s commercial tuna catch is increasingly being sourced from stocks that are not at healthy levels of abundance.

This twice-yearly report by the ISSF – a global coalition including seafood industry members and scientific and environmental organizations that promote science-based initiatives for long-term ocean health – provides the results for the most-recent scientific assessments of 23 separate stocks of major commercial tuna species. The stocks include six albacore, four bigeye, four bluefin, five skipjack, and four yellowfin tuna species.

The report found a decrease in the overall percentage of catch taken from species with healthy levels of abundance; the percentage decreased from 87.7 percent in the September 2021 report to 80.5 percent in the March 2022 report. Of the remaining 19.5 percent, 9.2 percent of the catch came from overfished stocks and 10.3 percent came from stocks at an intermediate level of abundance. The report attributes this reduction to a change in the Eastern Pacific skipjack stock – which represents around 6 percent of the global tuna catch – which has been downgraded from a green to yellow rating.

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