Destructive fishing methods, fishing shortages and scares about both are changing supermarket buying behaviour in Europe and the United States, according to a new Greenpeace report.

The nine largest United Kingdom supermarkets now have seafood policies that place stock sustainability as an important purchasing criteria.
Greenpeace wants to apply similar pressure to New Zealand's two largest supermarket chains, Progressive and Foodstuffs.
Greenpeace has released a survey of New Zealand's seafood future titled ‘While Stocks Last: Supermarkets and the future of seafood'; a 46 page book by zoologist Dr Maj De Poorter.
It's an indictment of current retail practice - and a call for consumer action if we want to be able to continue buying our fish.
Hake, hoki, snapper, flounder and tuna are all on theGreepeace Red List, in some cases because they are running out; in others due to fisheries management and environmental factors.
Forest & Bird assessed New Zealand's 75 commercial fisheries and found none had a sustainability management plan.