As a changing climate impacts marine systems, seafood operators are recasting how and what they're farming, to feed an ever-growing world.
About half of the marine species found in Australian waters have undergone large distribution changes in the past two decades because of the changing climate, a major agricultural conference in Canberra was told this month.
And while stocks of gemfish have declined to as low as five per cent, other fish, including snapper in Tasmania, are on the rise, according to Patrick Hone who heads up Australia's Fisheries Research and Development Corporation.