The long-spined sea urchin, Centrostephanus rodgersii has expanded its distribution southwards from southern New South Wales, through Eastern Victoria, the Bass Strait Islands and down the east coast of Tasmania. In some areas of Tasmania abundance of C. rodgersii has increased substantially, even...

Whirling disease is the disease of freshwater salmonid fish caused by the myxozoan parasite Myxobolus cerebralis. The parasite has never been detected in Australia, but is present in New Zealand and areas of North America, Europe, Africa and Asia. Whirling disease is a reportable disease in...