Canned tuna's secret catch

Check out the fishing method that is being phased out by New Zealand’s big canned tuna brands.

Video details

New Zealand’s five big tuna brands have committed to phase out a destructive tuna fishing method that kills sharks, turtles and baby tuna. This makes us the third country, behind the UK and Australia, to take steps to change to more sustainably caught tuna. This is good news for the Pacific tuna fishery which supplies most of New Zealand’s canned tuna. However, there is still more we can do to preserve tuna stocks and ensure we have tuna on our shelves, and in our Pacific Ocean, for the long-term:

  • The New Zealand Government must stand with our Pacific neighbours to ban the most destructive fishing methods, end overfishing and create marine reserves;

  • New Zealand’s tuna fishing companies must switch to more sustainable methods.

Until recently the Pacific had the world's last healthy tuna fisheries. These are now being overfished as industrial fishing fleets, which have exhausted tuna stocks in other oceans, are now concentrating their efforts in the Pacific.

All Pacific tuna stocks are in decline. Bigeye and yellowfin are the most at risk. Scientists have advised that fishing needs to be cut by up to 50 per cent to allow bigeye tuna to recover.

Many fishing fleets are using methods which are destructive catching five to 10 times more turtles, sharks and juvenile tuna compared to more sustainable fishing practices.

There are almost 6000 vessels licensed to fish in the Western and Central Pacific region. In 2012 those vessels caught over 2.6 million tonnes of tuna – around 60 per cent of the world’s tuna supply.

Foreign fishing vessels continue to steal tuna from the region, exploiting four pockets of international waters between Pacific islands nations. Illegal fishing is estimated to cost the Pacific region up to NZ$1.7 billion per year.

In 2013 we launched a report providing a blueprint for Pacific Island governments and regional bodies to promote a more sustainable and locally owned and operated tuna fishery in the region.

The report - titled Transforming Tuna Fisheries in Pacific Island Countries: An Alternative Model of Development makes detailed recommendations for how to develop smaller-scale and locally owned fisheries that will maximise economic returns, create local jobs and better protect countries’ precious tuna reserves for the long term.

The latest updates


Pacific tuna need our help

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Most people think of tuna in terms of how it tastes – whether it be raw in sushi and sashimi or from a can in a tuna sandwich or salad. But very few realise that tuna is being overfished to the point that some species have reached the ...

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Blog entry by Karli Thomas | November 1, 2010

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Continued inaction is not an option at the Convention on Biological Diversity

Blog entry by Seni Nabou | October 26, 2010

Our Pacific Political Advisor Seni Nabou reports back from the first few days of meetings at the UN’s Convention for Biological Diversity (CBD), in Nagoya, Japan. As a Pacific Islander, attending these big world conferences can be...

Neighbourhood Support to thwart pirates

Blog entry by Karli Thomas | October 20, 2010

I’ve just returned from a technical meeting of the Pacific Tuna Commission – but, actually, I want to tell you about something that happened in 2009. This time last year, I was on the Greenpeace ship Esperanza, in the Pacific Ocean,...

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