They form both free and associated schools, with adults generally forming schools of similarly sized individuals. The free-swimming schools tend to contain large individuals and are mono-specific. In the Eastern Pacific, schools are often associated with dolphin pods, which is not common elsewhere.
Yellowfin accounted for about 30% of the 4.9-million-tonne global tuna catch in 2020.
|Size (cm)||Weight (kg)||Age (yrs)|
Our Status of the Stocks report summarizes the status of yellowfin tuna worldwide according to the most recent scientific assessments. The report includes:
It also reviews the management measures for yellowfin that Regional Fisheries Management Organizations (RFMOs) have adopted.
Our research and advocacy work aims to ensure, on a global level, that tuna resources are well managed and protected from overfishing.
An ISSF report uses the Marine Stewardship Council (MSC) scoring system to evaluate both the health and RFMO management of 23 tuna stocks worldwide, including bluefin.