Prime Minister Anthony Albanese has again failed to guarantee that an EPBC review decision on Macquarie Harbour would be made before the election, leaving an uncertain future for fish farming in Tasmania.

Shadow Minister for the Environment, Fisheries and Forestry, Jono Duniam, told Dean Miller on 4BC Summer Breakfast, "It's pretty clear to me they're going to abandon this industry and the workers in it," Duniam continued.

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