The Fish

Since we first learnt to hunt, humans have been searching for the best foods. The land only offered so much, so we went to the rivers and oceans. It is there that we found what we were looking for. Silver flashes as the water splashes in the heat of the midday sun, here in Australia, barramundi is king.

While methods of bringing the fish to the table have changed, the pure iconic Australian Barramundi has not. It’s the fish we have always been searching for. It’s the fish we will always love. It’s Infinity Blue Barramundi.

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  • Infinity Blue Barramundi has the highest available certification available for Australian Barramundi.
  • Extremely small land footprint, minimal water use, and highly efficient feed conversion ratios
  • Local supply and short supply chain means low storage and transport
  • Highest available level of Australian Sustainability certification with Best Aquaculture Practice accreditation



Our Barramundi is an exceptionally healthy fish

  • As high levels of Omega 3 as Salmon
  • High in protein and Low in fat
  • Grown with no hormones or chemicals


Other headings

A fish is only as good as the water it lives in. At the core of Mainstream’s business is one of the most extraordinary and pristine water sources anywhere in the world. Located several hundred metres below ground in the surrounds of Melbourne, Australia, this geothermal water source supplies Mainstream with pristine water that is naturally heated to Barramundi’s preferred temperature of 28 degrees Celsius. This water is estimated to have rained in the outskirts of Melbourne over 1,000 years ago. The chemical nature of this geothermal water is ideally matched to Barramundi.

Within the culture environment, water quality management is essential to fish health and quality. Mainstream is committed to sound environmental practice and has worked intensively to better understand the hydrodynamic profile of our sites along with the organic outputs from its farming operations. Mainstream is actively involved in research and development around water recovery and re-use.

Other Headings

Whilst we have to limit entry to our bio-secure plant, we do conduct frequent educational tours, provide work experience and are actively involved in teaching at various academic institutions. Mainstream Aquaculture also actively supports numerous charities and local sporting clubs.

Other Heading

Mainstream’s most important asset is its people and we strive to support them and their communities. We employ local people in our hatcheries, production facilities and corporate offices. We aspire to be an employer of choice in the communities in which we operate.

Other Headings

Mainstream has implemented a systematic control system through its business and is focused on integrating key aspects of quality control and environmental management with health and food safety standards. It is the responsibility of every employee at Mainstream to follow these critical work processes. This ensures our products consistently meet food safety standards and exceed customer expectations.