The article highlights the popularity of skipjack and yellowfin tuna in the Australian and New Zealand markets, with the majority of the tuna processed in Thailand and Indonesia. It notes a shift towards plastic bags and ready-to-eat tuna products, which have seen growth in sales. However, sustainability remains a complex issue for consumers in these markets, with a need for clearer and more direct messaging. Despite concerns about sustainability, price, taste, and brand name continue to influence purchasing decisions. A lack of trust in sustainability claims is prevalent, especially in the Australian market.