agriculture and fisheries

Global tuna value dropping, industry must plan ahead – report

Agence France-Presse

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Global tuna value dropping, industry must plan ahead – report

Workers load yellowfin tuna onto a truck at a fishing port in Banda Aceh, Indonesia, on February 27, 2020. (Photo by CHAIDEER MAHYUDDIN / AFP)


A study on the worldwide tuna industry finds that 'catching more fish does not necessarily result in greater economic value'

Tuna is holding steady as a $40 billion-a-year business, but commercial fisheries worldwide are hauling in bigger catches of dwindling value, threatening the long-term survival of some species, according to a new report.

“Fisheries caught 500,000 more metric tons in 2018 than in 2012, but were paid $500 million less in dock value,” study co-author Grantly Galland, an officer with The Pew Charitable Trusts’ international fisheries group, told Agence France-Presse.

Unless governments that regulate the industry through regional management bodies adopt long-term strategies, everything from supermarket tuna to $100-a-portion sashimi could wind up in short supply, the report warned.

Crashing populations of skipjack, bigeye, yellowfin, and bluefin would also jeopardize livelihoods and disrupt ecosystems in which the top-level predators play a critical role.

Only a long-term, science-based approach, the report suggests, can keep revenue high without depleting stocks past the threshold of sustainability.

The new assessment pulls together global data – total catch, along with value from dock to diner table – for the 7 main species of tuna found in the world’s oceans.

Skipjack, a staple of supermarket tuna, accounted for 58% of all tuna landed in 2018 by weight, and 40% of value at the final point of sale.

The 3 million tons harvested that year was 20% more than in 2012. 

But it ultimately only brought in only 6% more in sales.

Yellowfin – the second most important tuna species, both by total weight and revenue – saw a similar pattern, with a 15% increase in catch from 2012 to 2018, but only a 2% hike in earnings.

For Atlantic bluefin tuna – 25 times more valuable by weight than skipjack, and especially prized by connoisseurs in Japan – the gap grew even larger, with catches increasing over that 6-year period by 200%, but total revenue up only 22%.

The same gleaming, fatty bluefin fish that fetched nearly $70,000 a ton in 2012 sold for only half that in 2018.

“The tuna business is incredibly valuable,” said Amanda Nickson, who directs Pew’s international fisheries work. 

“But now we can conclusively see that catching more fish does not necessarily result in greater economic value.” 

‘Maximum sustainable yield’

Bigeye tuna catches declined from 2012 to 2018 by 20%, but end value sales went down even more.  

Commercial tuna fleets are overseen by RFMOs, or regional fisheries management organizations, that solicit assessments from scientific committees on fish stock and, when they are needed, advice on quota levels.

But historically, RFMOs have tended to ignore this advice, setting quotas above what scientists have deemed the maximum sustainable yield. 

Only after stocks of eastern Atlantic and Mediterranean bluefin fell so low as to trigger a vote in 2010 under a United Nations treaty on whether to restrict trade did the relevant RFMO, afraid it would lose control of their $2-billion industry, take decisive action.

In less than a decade, stock levels improved significantly. 

This time, RFMOs should get out ahead of the problem, if only out of self-interest, the report said.

“Implementing a modernized fisheries management system, known as harvest strategies, would eliminate an ineffective cycle of managers prioritizing short-term profits over the long-term value,” Nickson said. 

It would also ensure more economic security for the millions of people who rely on the tuna industry for jobs and food, she added.

The world’s top tuna fishing nations are Indonesia, which landed more than 550,000 tons in 2018, followed by Japan (370,000 tons) and 5 nations that caught around 300,000 tons each: Papua New Guinea, Taiwan, Spain, Ecuador, and South Korea.

The United States is in 8th place, with about 240,000 tons. –

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