Sure, these guys have a sustainability policy now, but Canada's biggest brand continues to sell red-listed yellow fin tuna and iffy albacore (white). Like Unico, the company uses destructive purse seining (massive nets up to 1.5 kilometres wide that trap indiscriminately) and floating fish aggregating devices (FADs) that attract way too much bycatch.
It was first of the big brands to bring in greener pole-and-line-caught tuna (from the Indian Ocean), but Ocean's other varieties still need to catch up. The company is promising FAD-free skipjack (light tuna) and beefed-up albacore standards, but no date is on offer. It discontinued red-listed yellowfin, but even pole-caught yellowfin isn't worry-free, because stocks are stressed.
Best-ranked overall pick of the mainstream brands, Gold Seal's on course to meet its sustainable seafood standard by 2015, including being entirely FAD-free. Pole-caught tuna is coming later this year. The company also supports the creation of marine reserves.
This California brand sells only green-lit tuna from the U.S. Pacific Northwest using small-scale Greenpeace/SeaChoice-approved techniques. It has comprehensive sustainability policies and its fish is low-mercury because WP picks smaller tuna. Wild Planet was labelled BPA-free, but internal testing found traces of the chemical -so the company removed the label.
This BC company is in Greenpeace's #1 slot again this year. It gets its tuna on the Pacific coast from a fishery that's Marine Stewardship Council-certified and considered "best choice" by SeaChoice. Labelled BPA-free. Low mercury.
More brands at greenpeace.ca