How were brands ranked?
The tuna brands were ranked based on the following criteria:
Sustainability Policy
It is essential that companies have in place an effective policy that ensures their products are produced sustainably.
Fishing methods used
Most tuna is caught using purse seine nets with fish aggregation devices (FADs), a method responsible for high levels of bycatch including sharks and other marine life, as well as juvenile tuna from threatened species. In contrast, 'pole and line' fishing offers a less wasteful solution, with reduced bycatch. 'Pole and line' fisheries also tend to offer greater economic returns to local populations. Purse seine fishing without FADs is an acceptable secondary option.
Tuna species used
Each tuna species is under different levels of pressure. Bigeye and yellowfin tuna are overfished and at risk. Skipjack tuna is declining, but is the tuna species of least concern.
Labelling
Providing comprehensive information on labels gives customers the opportunity to make an informed choice based on the product’s sustainability. Labels should include the species name, catch method and the area the fish was caught in.
Support for marine reserves and equitable tuna policies
Companies should offer public support for the establishment of marine reserves, including the proposed protected areas known as, the Pacific Commons. This will ensure the long-term sustainability of fish stocks and healthy marine ecosystems. It is equally important that reasonable economic benefits are returned to the countries who own the rights to individual fish stocks.
Use of illegal or unregulated products
Illegal fishing accounts for up to 46% of fishing activity in the Pacific. This is exacerbating the overfishing crisis. Companies must be able to guarantee their supply chain does not include operators that engage in illegal, unregulated or unreported (IUU) fishing.
The information has been obtained from a combination of brand responses to a Greenpeace product survey, correspondence with brands and retailers, publicly available information and product evaluation.
Greenpeace is grateful for the assistance provided by retailers and brand suppliers in providing relevant information as well as for the assistance provided by various third party experts.