The International Seafood Sustainability Foundation (ISSF) has released an updated report revealing that 88% of the global tuna catch comes from stocks at healthy levels, an improvement from the previous report. However, 10% of the total catch requires stronger management, with no change from the last report. The report, released several times a year, uses the latest scientific data to evaluate 23 major commercial tuna stocks. The ISSF maintains an interactive tool on its website to help users understand the status of these stocks.