cross-posted from: https://lemmy.sdf.org/post/48583058

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In a monitoring room in Buenos Aires, a dozen members of the Argentinian coast guard watch giant industrial-fishing ships moving in real time across a set of screens. “Every year, for five or six months, the foreign fleet comes from across the Indian Ocean, from Asian countries, and from the North Atlantic,” says Cdr Mauricio López, of the monitoring department. “It’s creating a serious environmental problem.”

Just beyond Argentina’s maritime frontier, hundreds of foreign vessels – known as the distant-water fishing fleet – are descending on Mile 201, a largely ungoverned strip of the high seas in the South Atlantic, to plunder its rich marine life. The fleet regularly becomes so big it can be seen from space, looking like a city floating on the sea.

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The charity Environmental Justice Foundation (EJF) has described it as one of the largest unregulated squid fisheries in the world, warning that the scale of activities could destabilise an entire ecosystem.

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Steve Trent, founder of the EJF, describes the fishery as a “free for all” and says squid could eventually disappear from the area as a result of “this mad fishing effort”.

The consequences extend far beyond squid. Whales, dolphins, seals, sea birds and commercially important fish species such as hake and tuna depend on the cephalopod. A collapse in the squid population could trigger a cascade of ecological disruption, with profound social and economic costs for coastal communities and key markets such as Spain, experts warn.

“If this species is affected, the whole ecosystem is affected,” Bobinac says. “It is the food for other species. It has a huge impact on the ecosystem and biodiversity.”

She says the “vulnerable marine ecosystems” beneath the fleet, such as deep-sea corals, are also at risk of physical damage and pollution.

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Three-quarters of squid jigging vessels (which jerk barbless lures up and down to imitate prey) that are operating on the high seas are from China, according to the EJF, with fleets from Taiwan and South Korea also accounting for a significant share.

Activity on Mile 201 has surged over recent years, with total fishing hours increasing by 65% between 2019 and 2024 – a jump driven almost entirely by the Chinese fleet, which increased its activities by 85% in the same period, according to an investigation by the charity. The lack of oversight in Mile 201 has enabled something darker too.

Interviews conducted by the EJF suggest widespread cruelty towards marine wildlife in the area. Crew reported the deliberate capture and killing of seals – sometimes in their hundreds – on more than 40% of Chinese squid vessels and a fifth of Taiwanese vessels.

Edit for an addition:

There is a series on reports on illegal and destructive fishing practices by The Outlaw Ocean Project, ranging from reports to podcasts, documentaries, videos, and many other forms of media.

It reports on China: the Superpower of Seafood dominates at sea and on land high environmental and human cost.

You'll find also reports on other related topics on the site.