A hundred years ago, fish lived longer and grew bigger – they continued to breed, engineered ecosystems through predation and were more resilient to ocean changes such as marine heatwaves.
Today these larger, long-lived fish are gone, and it’s affecting fish populations, marine ecosystems, and ultimately our own food security.
Pew Marine Fellow Dr Asta Audzijonyte is a researcher at the University of Tasmania’s Institute of Marine and Antarctic Studies (IMAS). She’s investigating the impacts of human activity and a changing climate on fish size, what that means for fisheries productivity and marine ecosystems, and how we can bring big fish back.
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