We're constantly told by experts to eat more fish its fats and nutrients are good for our health.
As of 2016, the most popular fish in Australia was salmon. We consumed almost 40,000 tonnes of it a year.
But what do we know about how salmon is farmed, what the fish are fed and what the environmental impacts are?
These issues have brought the industry to a flashpoint in Tasmania which has the biggest salmon farming area in Australia.
Thousands of jobs in that state depend on salmon farming and its future relies on a 'clean green' image.
But in this investigation, industry insiders and a trail of documents challenge that, questioning the use of chemicals, intensive farming and reveal a corporate culture far removed from the marketing image of a wild salmon leaping from a pristine river.
No one from the Tasmanian Government or the state regulator would be interviewed for this program.
You can find a series of statements from the government, industry, and others on our website here: https://ab.co/3dFfjv3
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