In 2012, Victorian Fisheries hatched and released Murray cod, golden perch, trout cod, silver perch, Australian bass and Macquarie perch, all of which are native fish struggling to compete with trout.

In landlocked Arizona, where the Colorado River crisis has put water use under a microscope, a new inland desert fish farm is growing barramundi — a tropical species native to Australia.

The habitat was devastated by the Black Summer bushfires and a survey in March 2023 found just 20 examples of the fish. “Native galaxias fish are some of Australia’s most threatened species ...

A study of shallow-water fish communities on rocky reefs in south-eastern Australia has found climate change is helping tropical fish species invade temperate Australian waters.