The idea of returning Murray crayfish to the river in South Australia is not new. Two University of Adelaide ecologists, the late Keith Walker and Mike Geddes, first suggested it in the 1990s.

Murray crayfish will be reintroduced to South Australia's River Murray The species has not been sighted in the state since the 1980s Aqua ecologists were granted a permit to start releasing Murray ...

Below the heritage-listed bridge crossing the Murray River at Swan Hill, the last chapter in a rescue mission that saved about 100 crayfish – which made a desperate break to flee their toxic ...

Below the heritage-listed bridge crossing the Murray River at Swan Hill, the last chapter in a rescue mission that saved about 100 crayfish – which made a desperate break to flee their toxic ...

The idea of returning Murray crayfish to the river in South Australia is not new. Two University of Adelaide ecologists, the late Keith Walker and Mike Geddes, first suggested it in the 1990s.