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Australia deploys new underwater technology to fight illegal fishing

November 23, 2020 — Australia has deployed a new underwater technology across the Torres Strait aimed at combating illegal foreign fishing, according to the Australian Fisheries Management Authority.

The Maritime Border Command (MBC), an agency within the Australian Border Force (ABF), was in charge of deploying the technology in partnership with the Commonwealth Scientific and Industrial Research Organizations (CSIRO), which developed the new hydrophones. The hydrophones are capable of detecting and logging vessel sounds, which can differentiate between different kinds of vessel activities.

Read the full story at Seafood Source

The Lockdown Made Big Fish Bad News

June 15, 2020 — When a restaurant serves a fish whole, there is a reason it fits the plate perfectly. It’s because Boris Musa grew it that way.

His indoor fish farm in Australia supplies restaurants with plate-size barramundi grown to 1.8 pounds. The coronavirus put the restaurant industry on ice for months, but Mr. Musa’s fish kept growing. That led to a big fish problem—as in, his fish were getting too big.

If Mr. Musa’s barramundi, a white fish popular in Australia, grow too much, the water-filtration system that is keeping them alive won’t be able to keep up. Once they tip the scales at about 3 pounds, he said, they’re too large for a restaurant dinner plate.

To save his fish, and his future profits, Mr. Musa is turning to science. He is betting that by lowering the water temperature in his tanks, he can slow down the metabolism of his fish, reduce their appetites and stall their growth. At the height of the lockdown, he even considered a more extreme option: trucking his fish more than 1,000 miles away to a more spacious outdoor farm owned by his company.

“This is a really peculiar set of circumstances,” said Mr. Musa, chief executive of MainStream Aquaculture, which spent years breeding fish to grow faster. “Normally in our business, we’re trying to maximize the biological potential of our fish.”

Read the full story at The Wall Street Journal

Global airline slump has seafood firms opting for expensive air cargo

March 31, 2020 — Australia’s largest producer of Western rock lobster is the main contributor to the country’s half-billion-dollar live exports of the shellfish, but it faces a stark choice; export its live product to China using expensive cargo planes or export no live rock lobster at all.

It is the harsh reality facing seafood companies around the globe as commercial passenger airlines are grounded by the coronavirus pandemic.

“We’ve seen [passenger freight] capacity drop very significantly over the last few weeks, to the point where on Wednesday we had the last direct flight to China,” Matt Rutter, CEO of Geraldton Fishermen’s Co-operative (GFC), told Undercurrent News on Thursday (March 26).

“In fact, the last available for charter is through Japan. That last flight flies on Monday [March 30],” he said.

Read the full story at Undercurrent News

COVID-19 hits seafood markets in Australia, Japan, US

March 17, 2020 — The full financial effects of the coronavirus outbreak are starting to become apparent in seafood markets across the globe, reports American Shipper.

In Australia, for instance, a fisheries and aquaculture sector very dependent on Chinese seafood demand is likely to see a decline in earnings of $389 million due to the excess product that traders are unable to send to the country.

It’s a similar issue in Canada, where the previously booming trade of live Atlantic lobsters to China has ground to a halt after both China and other nearby Asian countries stopped accepting deliveries from seafood shipping companies.

Likewise, the trade of baby eels, or elvers, from Maine in the US to China is also at a standstill — bad news for a $168m industry nearly entirely dependent on the trade route for its custom.

Read the full story at Undercurrent News

November 13 Webinar on Estimating Shortfin Mako Shark Abundance and Productivity in the Atlantic Ocean

October 24, 2019 — The following was released by the Lenfest Ocean Program:

Join us on Wednesday, November 13 at 9:00 am EST/2:00 pm GMT for a webinar featuring Dr. Mark Bravington of Australia’s Commonwealth Scientific and Industrial Research Organization (CSIRO), where he will discuss his work to improve the information used to assess and manage shortfin mako sharks in the Atlantic Ocean.

For the past several months, Dr. Bravington has been examining the feasibility of a genetic method known as close-kin mark-recapture for estimating shortfin mako shark abundance in a way that avoids the limitations and biases associated with estimates collected through fishing activities. Such a tool could help fisheries scientists develop more accurate stock assessments to inform effective management strategies for this species, which is overfished in the North Atlantic.

Download the project fact sheet to learn more.

Scientist calls for more research into seismic surveys as they leave lobsters flat on their backs

July 26, 2019 — Research by the Institute for Marine and Antarctic Studies in Hobart and Curtin University in Western Australia found lobsters exposed to the air guns used in seismic surveys had damaged statocysts, an organ similar to the human inner ear.

One of the researchers, Ryan Day, said this left the lobsters with an impaired ability to right themselves when flipped over.

“They really rely on this ability to right themselves and to control when they are escaping from a predator,” he said.

The lobsters received the equivalent of a full survey passing within 300–500 metres.

“In all experiments we didn’t detect any sign of recovery, even one year after,” Dr Day said.

The results have prompted a renewed call by Greens Senator Peter Whish-Wilson for the practice to be investigated.

Read the full story at ABC

These fish eggs aren’t hatching. The culprit? Light pollution.

July 10, 2019 — Bright orange clownfish, of Finding Nemo fame, face a slew of problems in the wild, from overharvesting for home aquaria, to bleaching of their coral and anemone homes by climate change-induced warming waters. And now there’s a third prong on this deadly trident: light pollution.

Published today in Biology Letters, a new study reveals that clownfish, which are dependent on coral reefs, can’t raise any young when exposed to artificial light.

The human-made light that is spewed over Earth endangers animals across ecosystems. Nighttime lights alter birds’ nocturnal migrations. Plants bloom earlier.Sea turtles avoid nesting on brightly-lit beaches. Songbirds start warbling earlier.

“But we don’t think about underwater marine systems being potentially impacted,” says Emily Fobert, a marine ecologist at Flinders University in Australia and lead author of the study.

“I wasn’t expecting the result [in the paper] to be that nothing hatched,” says Thomas Davies, a conservation ecologist from Bangor University in Wales. “It’s quite worrying…a really big result that speaks to how light pollution can have a really big impact on marine species.”

Read the full story at National Geographic

Predicting marine heatwaves can have economic implications

March 6, 2019 –The Gulf of Alaska is once again experiencing a marine heatwave. This follows the infamous warm-water event known as the “blob,” that formed back in 2014, which scientists have tied to seabird die-offs and declining Pacific cod stocks.

Scientists around the world are trying to predict these events, but there are economic implications to forecasting the future.

Scientists around the world are working to understand the impacts of marine heatwaves as they become more common. They also want to predict when and where the world’s oceans will heat up.

“If I gave you this information about the future, what would you possibly even do with it?” Alistair Hobday said. “And people’s first reaction is, ‘nothing, I don’t know what I would do.’”

Hobday is a research scientist with Australia’s Commonwealth Scientific and Industrial Research Organisation. Hobday said the predictive models for marine heatwaves are about 60 percent accurate currently, slightly better than a flip of a coin.

He wants to boost that number to 80 percent, and he said marine heatwave forecasts have practical applications.

Read the full story at Alaska Public Media

 

Ongoing China-U.S. Trade War Likely to Bring Changes to Global Seafood Industry

November 20, 2018 — SEAFOOD NEWS — Chinese seafood exports to America have grown this year, despite the trade war. However, the trade war with the U.S. could have global impacts, writer Amy Zhong reports from China.

Chinese seafood exports to the U.S. were US $3.22 billion during 2017, while the exports have risen by 5.75 percent to reach US $2.161 billion within the first eight months of this year compared with the same period last year. But things are starting to shift. The U.S. used to be the largest market for Chinese tilapia, but not any more.

Against this backdrop, a seafood processing seminar was hosted in Dalian in October and participants gathered to talk about issues like global seafood trading and brand building.

China’s entry into the World Trade Organization in 2001 created great opportunities for its aquatic processing industry but it has begun to shift attention to the domestic market with the recession of foreign markets, trade conflicts and increasingly great domestic demand. Thus, the Dalian seminar was of great importance in areas such as opportunities and threats the aquatic industry encounters in domestic and foreign markets.

The country used to rely on foreign buyers in its seafood sales from 1981 to 2005, Cui He, the president for China Aquatic Products Processing and Marketing Alliance, was quoted as saying in a recent FishFirst article. Its export ballooned from 2005 to 2013, while its imports also grew between 2013 and 2017. The country’s seafood trading volume exceeded 10 million tons in 2017, which makes it a market larger than any other in the world, according to the story. That means an increasing number of aquatic suppliers have placed more importance on this market with great potential thanks to its steady export opportunities and rapid import increase. Countries like Norway, Canada and Australia have said in the past that China is the main target in their seafood promotions.

Japan, the U.S. and Europe are the three main buyers of China’s seafood, according to the country’s statistics, while other important buyers include South Korea and the Association of Southeast Asian Nations (ASEAN). Japan ranks first among all of China’s seafood buyers while the U.S. also is significant, buying a lot of China’s white shrimp and tilapia.

Although there seems to be no drastic change to the global seafood market at present, China has played a role of great importance in the processing industry. The trade war does take a toll on some export-oriented seafood companies in Dalian and Qingdao, but it also pushes them to upgrade their systems. In short, more seafood trading stimulates the development of China’s seafood processing sector.

China’s statistics have shown a reduction in China’s reliance on U.S. seafood buyers since 2014. The U.S. anti-dumping policies on shrimp and catfish have influenced China’s processors since the mid-2000s. Lately, the two countries have become competitors in sourcing such seafood as Ecuador’s white shrimp after 2014, with Ecuador selling more white shrimp to China recently. China also has purchased more basa from Vietnam than the U.S. as well.

Recently, the U.S. has removed cod, pink salmon and pollock from its import list that are subject to higher tariffs. Cod has been delivered to China for further processing before being re-exported to Europe, the article said. At the same time, tariffs are having less effect on China’s seafood purchases from the U.S. than its sales to the U.S. Tilapia sales have hurt the most: The U.S. was once the largest buyer, but due to the trade war, it is now looking to other countries for substitutes.

SeafoodNews reporter Amy Zhong also writes that Chinese trade journals say that the U.S.-China trade war could also change the global seafood industry. Seafood businesses worldwide are uncertain whether China can maintain its status as the seafood processing center, since some companies have been forced to relocate to other regions, like Africa. However, China has begun developing business in more countries included in its One Belt, One Road initiative, which in turn has encouraged China to upgrade its seafood industry.

Wang Zhanlu, the director for WTO Division of Agricultural Trade Promotion Center, was quoted as saying countries usually control the agricultural trade more strictly with higher tariffs, but China is comparatively open and is second only to the U.S. in terms of its agricultural imports. In 2017, seafood ranks first in the country’s agricultural exports and accounts for 27 percent of the country’s agricultural export total. Meanwhile, seafood imports account for about 17 percent of its imports.

Zhong writes that according to seafood trade expert Leng Chuanhui, Japan consumes about 8.4 million tons of seafood every year, while it produces around 4.7 million tons on its own. Most of Japan’s seafood are wild harvests, while some are raised in fresh- or saltwater aquaculture. The country buys about 3.7 million tons of seafood from other countries, while its main export markets are Hong Kong and the Chinese mainland, while 14.2 percent of its seafood import is from China.

Professor Qin from Guangdong Ocean University was quoted as saying that oysters have also become more popular in China. Global production was only 5.32 million tons worldwide in 2017, while the trading volume was about 70,000 tons. But China’s production rose by 4.7 percent in 2017 compared with that of 2016 to reach 4.87 million tons. Its oyster market value grew by 25 percent to reach 25.4 billion yuan (~$3.7 billion USD) that year. Most of the Fujian, Guangdong and Shandong oysters are currently destined for barbecues, but likely will be more finely processed in the future.

This story originally appeared on Seafood News, it is republished here with permission.

 

Eating fish can help fight childhood asthma, finds new study

November 19, 2018 — A clinical trial led by researchers from La Trobe University in Melbourne, Australia has found that eating seafood species high in good fats such as salmon, trout, and sardines as part of a healthy diet can reduce the symptoms of asthma in children.

National body Seafood Industry Australia (SIA) has welcomed the new study, calling it a potential easy and effective treatment for asthma sufferers.

“Childhood asthma is the most common respiratory disorder worldwide. We know these species of fish are high in omega-3 fatty acids which have anti-inflammatory properties and have been shown to help in the reduction of symptoms for other inflammatory conditions like arthritis,” SIA CEO Jane Lovell said.“This new research shows that following a diet which is high in oily fish could be an easy, safe, and effective way to reduce the symptoms of asthma in children which is fantastic news.”

Read the full story at Seafood Source

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