Their venom could be effective in fighting cancer, researchers have discovered, and the potency of Australian cane toad's venom is stronger than those in China.

This means that potentially millions of toads could be shipped to China, so they could have their venom extracted and turned into medicine, to be sold on the multi-billion dollar traditional medicine market.

Harendra Parekh, from the University of Queensland's pharmacy department where the research took place, said this discovery could lead to a 'potentially a very lucrative export market'.