The two countries share huge marine resources and opportunities. At the same time both face increasing challenges to their oceans and coastal regions from climate change and over-exploitation.
Melanesia's oceans are worth at least US$5.4 billion, but are under increasing threat.
The blue economy is unknown, overlooked and underdeveloped in Africa. It could represent a major growth driver for the continent.
The open oceans are the world's "wild west", falling outside any nation's jurisdiction. UN negotiations are aiming to draft new laws for the high seas.
Small island universities can add to the sum total of African knowledge in a number of ways.
South Africa’s oceans economy can contribute R177 billion to the GDP and create up to one million new jobs by 2033. But this requires more skilled people to drive the growth.
Over-fishing is a massive environmental and economic challenge. Fortunately, there are new solutions being trialled – including in a tuna hotspot in the Pacific.
Diving in many parts of Indonesia, Thailand and Malaysia now costs a little more than it used to – but you might be happy to discover why.
As the world's land-based economies struggle with around 2% GDP growth, the global marine economy – often talked about as "the blue economy" – is a bright light on the horizon.
In many ways, Australia is defined by the oceans surrounding us. We have the world's third largest ocean territory, most of our trade travels by sea, and we have vast offshore resources.