Available both wild-caught and farmed, these freshwater shellfish like slow flowing water and are found in waterholes, dams, swamps, creeks, billabongs and even temporary bodies of water to depths of 5m (they can survive periods of drought by burrowing into river beds). They are caught commercially in NSW, Victoria and SA using baited pots and drop nets, but mostly they are farmed, with C.destructor farmed in NSW, SA, Victoria and WA, C.plebejus and C.glaber in WA and C. destructor albidus in Victoria and WA. They are endemic to Australia.

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