World Tuna Day

World Tuna Day History

World Tuna Day seeks to acknowledge the critical socio-economic role that tuna play globally, providing livelihoods for countless communities and feeding billions. Recognised by the United Nations, this day highlights the need to conserve and manage tuna stocks effectively as overfishing threatens their survival and the viability of the economies they support. For Australia, tunas are one of the key pillars of the aquaculture sector, thus understanding and supporting the objectives of World Tuna Day is particularly salient.

The United Nations instituted World Tuna Day in 2016, underscoring the importance of sustainable marine stewardship. As Australia is renowned for its extensive coastline and rich marine biodiversity, this nation undoubtedly holds a stake in the vitality of global tuna stocks. Notably, the southern bluefin tuna industry generates significant economic activity for the nation, particularly for the Port Lincoln community in South Australia. However, the fragility of the southern bluefin tuna population underlines the urgent need for sustainable practices, a chief concern echoed on World Tuna Day.

In Australia, World Tuna Day is observed through a variety of awareness campaigns, seminars, and educational events that underline the importance of sustainable fishing practices and conserving marine ecosystems. Fisheries, academia, non-governmental organisations and other stakeholders collaborate to highlight the importance of preserving tuna populations. These initiatives provide valuable platforms for discussions on how the nation can enhance its contribution to global efforts in managing the world's tuna stocks. World Tuna Day is celebrated on May 2, encouraging national participation in the dialogue on sustainable marine resource management.

Top 10 Facts for 2026 World Tuna Day in Australia

• The recovery of the Southern Bluefin Tuna, or Thunnus maccoyii, has reached a historic milestone for 2026 following its recent removal from Australia’s national list of threatened species under the Environment Protection and Biodiversity Conservation Act 1999.
• The global theme for this year's observance, as promoted by the Marine Stewardship Council, is Tuna Done Right, focusing on the continued expansion of certified sustainable seafood across Australian supermarkets.
• Another major regional theme for the year is Sustaining Tuna, Sustaining Nations, which highlights the economic and cultural reliance of Australia's Pacific neighbours on healthy tuna stocks for their national resilience.
• Tuna is currently the most consumed seafood in Australia, with consumption of the fish exceeding the combined total of all other fish types found in the domestic market.
• The Australian Southern Bluefin Tuna Industry Association recently secured a world-first Marine Stewardship Council certification for a purse seine fishery of this species, positioning South Australia’s Port Lincoln as a global leader in responsible aquaculture.
• Adult Southern Bluefin Tuna are known for their incredible physical prowess, possessing the ability to accelerate through the water faster than a Ferrari and living for more than 40 years in the wild.
• Scientists have identified only one primary spawning ground in the world for the Southern Bluefin Tuna, located in a specific region of the Indian Ocean south of Java, which makes the management of Australian migratory routes vital for the species' survival.
• Major Australian retailers like Coles have recently transitioned all of their own-brand canned tuna products to sources that carry the MSC blue fish tick, a response to the growing demand for transparent and traceable supply chains.
• Climate change is increasingly becoming a central topic of discussion as shifting ocean temperatures are forcing tuna populations to migrate further into the high seas, significantly impacting the operational costs and fuel consumption of the local fishing fleet.
• World Tuna Day also celebrates the Parties to the Nauru Agreement, a collaborative effort involving eight Pacific Island nations that manages the world's largest sustainable skipjack tuna fishery.

In the News and Trending in Australia for World Tuna Day

Top things to do in Australia for World Tuna Day

• Learn more about the different kinds of tuna species. Greenpeace lists several species of tuna and provides healthy recommendations for consumption.
• Check out your local culinary school for tuna cooking workshops on World Tuna Day. These workshops teach participants how to prepare various tuna dishes, including sushi, sashimi, and grilled tuna steaks.
• Attend the Port Lincoln Tuna Classic, a popular fishing tournament that takes place in Port Lincoln, South Australia. The tournament attracts anglers from across the country and also promotes sustainable fishing practices.