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...

The NSW oyster industry is one of the states oldest and most valuable fishery, with a farm gate value of more than $27 million in 1994/ 5. It has an impressive history covering more than a hundred years of farming the native Sydney rock oyster Saccostrea commercialis but has experienced a decline...

Crayfish plague is a serious disease of freshwater crayfish in Europe. The infectious agent, Aphanomyces astaci, is an Oomycete that produces hyphae and zoospores and is similar to a fungus. Studies have shown that Australian freshwater crayfish are susceptible to the disease but the disease has...