If you follow fishing news, you have probably seen three of this month's stories: a Chinese longliner arrested in Tuvalu, two squid jiggers fined by Argentina, and a Mongabay series on shark finning aboard a Chinese tuna fleet. Each was carefully reported. Each also turned on a piece of paper the coverage did not have.

The pattern underneath them is the same. A regional register is not a national licence. A sanctions designation is not a fishery authorisation. A name is not a hull. Only an IMO number is, because it is issued once to the steel and survives every repaint and every reflagging.

That is the practical lesson for anyone reading risk out of public records, whether you are a regulator, an investor, or an NGO. Treat every register, every quota figure, and every satellite layer as one piece of a puzzle, and run more than one query before you accept a clean answer about what happened or what the identity of a vessel is.

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A longliner arrested in Tuvalu, and the licence that was still in the register

An expired regional authorisation and a live national licence are two different documents. In the days before the boarding, the regional register carried the second one.

On the evening of 9 July, maritime trackers at the Tuvalu Police Force noticed something wrong with a vessel they were already watching. They boarded the ALLANKAY, a ship owned by the conservation group Sea Shepherd International, and went out to look. By the morning the ALLANKAY had come up on a longliner with a small Chinese crew, running with its navigation lights completely shut off. It was the LU RONG YUAN YU 138, and they arrested it. Tuvalu went out on Sea Shepherd's ship rather than its own. Hammarstedt told RNZ the partnership began after Tuvalu's patrol boat, TE MATAILI II, was damaged beyond economic repair by cyclones Judy and Kevin in 2023, although Australia handed over a replacement, TE MATAILI III, in October 2024. There is also a tactical reason for borrowing a hull: the fleet tracks the patrol boats it knows about, and an NGO's ship is not one of them (RNZ Pacific, Kaya Selby, 27 July 2026).

A small thing, and we flag it because this issue is about small things. The two accounts do not quite agree on when the arrest happened. Sea Shepherd's statement dates the boarding to 9 July. RNZ's narrative has the police detecting the anomaly on the evening of 9 July, setting out, and coming up on the longliner the following morning, which would make it the 10th. Nothing in this story turns on which is right, and it is the sort of one-day slip that any account written up afterwards will produce. We mention it because the argument below runs on dates a day or two apart, and a reader is entitled to know the boundary is soft.

Note where the account comes from. RNZ's reporting rests on an interview with Sea Shepherd's chief campaigns officer, Peter Hammarstedt, and on Sea Shepherd's own statement. The Tuvaluan government did not respond to RNZ's requests for comment, and no charges have been laid. Tuvalu's transport minister, Simon Kofe, has publicly thanked the group on LinkedIn, which is endorsement of the arrangement rather than an official account of the boarding. So what follows is one interested party's description of an operation its own ship carried out.

Sea Shepherd says police found the crew throwing shark fins overboard while stockpiling tuna and keeping essentially no records. The detail that gave the vessel away, though, was the tracking signal. Ships broadcast their position over the Automatic Identification System, or AIS, so they can see each other and avoid collisions. This one was transmitting, but the transmission was impossible: the latitude put the vessel on the equator, and if the longitude were true it would not have been on the planet at all. Police read it as a spoof, a scrambled signal masking the ship's real position so it could work in the dark. Hammarstedt told RNZ the technique is used repeatedly by the Chinese distant water fleet, and that if you sit and watch the feed you will find Chinese fishing vessels apparently in continental Europe, the Mongolian desert, and the Australian outback. A transmitter left on and lying is a good deal harder to notice than one simply switched off.

On the papers, the same statement says two things that sound alike and are not. It says the vessel's Pacific Islands Forum Fisheries Agency fishing authorisation had expired, and separately that it held no valid FFA Good Standing authorisation. The FFA is the regional agency that helps Pacific Island countries manage their tuna fisheries, and it maintains a regional register of foreign fishing vessels. Good Standing on that register is a regional status: it says the flag state and the operator have met the region's minimum terms. A national licence is a different instrument altogether. It is one coastal state's permission to fish that state's own waters, it is issued by that state, and it is the document a boarding officer checks first. A vessel can lose the regional status and still be holding the national licence, or the reverse.

We looked the hull up. It is IMO 9730476, a 307 GT longliner built by Huanghai Shipbuilding in China and delivered in October 2013. The identity register holds one name for it and one flag, both effective from delivery: LU RONG YUAN YU 138, China. Its registered owner has been the same company since 8 October 2013, Shandong Lidao Oceanic, at an address in Rongcheng, Shandong. The fishery registers render the name four ways, from LU RONG YUAN YU 138 to LURONGYUANYU 138, but those are spellings of one name rather than a sequence of renamings, and they disagree about its length, some giving 38.36 m and others 43.38 m.

So: no flag-hopping, no resale chain, no name laundering, one owner for thirteen years. Nothing about this vessel's identity is evasive, which is precisely why the licence carries the whole story.

And that is where it gets interesting. The FFA regional register carries a Tuvalu national licence against this hull, and the licence is valid on its face from 19 February 2026 to 31 December 2026. That window covers the boarding whichever day it happened, so it does not depend on the one-day question above. The same register had recorded the vessel in Good Standing in a listing dated 11 April 2026. On the published record, this hull looked licensed to fish in Tuvalu.

The entry was also visible before the arrest, not merely valid on paper afterwards. Our crawler read it off the register at 21:09 on 8 July, Central European Summer Time. Tuvalu is twelve hours ahead of UTC, which puts that reading at about seven in the morning on 9 July in Tuvalu, roughly twelve hours before the police began tracking the vessel that evening. That timestamp is ours, not the FFA's: it records when we read the page, not when the agency wrote the entry, which could have been sitting there for weeks. The point it establishes is narrow and it is enough. Someone checking this hull against the regional register on the morning of the arrest would have found a live Tuvalu licence.

Both things can be true at once. Sea Shepherd describes what boarding officers found in the ship's own papers on 9 July; the register describes what the FFA had published by 8 July. Licences are suspended in a day, registers are rewritten on their own schedule, and a stale entry is the ordinary outcome rather than a scandal. What no published document settles is which of the two authorisations the officers found expired, or whether Tuvalu had suspended the national licence in the interval. Tuvalu's licensing file is not public, so from outside there is no way to close that gap.

The practical point: if you had run this hull against the regional register in the days before the boarding, you would have got a clean answer. It was arrested that week.

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Argentina fined two ships by name, and three hulls answer to one of those names

Neither outlet published an IMO number. Three active vessels currently carry the name BAO WIN, and the flag the coverage attached to it points at the wrong one.

Argentina fined two Chinese-operated squid jiggers, reported as BAO FENG and BAO WIN, for fishing inside its Exclusive Economic Zone without authorisation. Chinese-flagged vessels cannot fish the Argentine EEZ unless they hold a specific permit or operate under an authorised international agreement; in practice most of the Chinese squid fleet works the line just outside it. The penalty was reported at more than 2,700 million pesos by iProfesional (30 July 2026) and at EUR 1.6M by Faro de Vigo (25 July 2026). Those are two renderings of one figure, not a disagreement: 2,700 million pesos works out at roughly EUR 1.6M.

The case against BAO FENG rests entirely on a track. Argentina's coastguard service logged it inside the EEZ at under four knots for more than an hour and a half on 10 January, a speed held for a duration that Argentine regulation classifies as a direct fishing manoeuvre (iProfesional). There was no boarding and no inspection: the sanction proceeded on the track alone.

Then the flags moved. Both vessels had been flying Vanuatu's flag. Vanuatu struck them off its register after the detection, and the operator re-registered in Tanzania: Infobae reported in April that three Chinese vessels fishing illegally in Argentine waters had lost Vanuatu's flag and moved onto the Tanzanian register (11 April 2026). Coverage of the fine also placed BAO WIN under Panama's flag.

Neither outlet published an IMO number for either vessel, and that is the gap that matters. A name can be repainted and a flag can be changed inside a week, and this story describes both happening. An IMO number cannot. It is issued once, to a hull, and it stays with that hull through every renaming and every reflagging.

So we went to the identity register. The IMO ship particulars record, which is where a hull's number, its name history, its flag history, and its registered owner are held, currently shows three separate active vessels carrying the name BAO WIN.

The first is IMO 1127166: a 1,382 GT fishing vessel, named BAO WIN with effect from October 2025, flagged to Vanuatu on delivery that same month and to Zanzibar, in the United Republic of Tanzania, from March 2026. Its registered owner since 1 March 2026 is East Africa Fishery Co Ltd of Zanzibar.

The second is IMO 9109263: a 2,596 GT refrigerated cargo ship, built in Japan in October 1994, Panama-flagged since 2000, and named BAO WIN with effect from March 2018. Before that it was Suruga 1, and before that Suruga. Its registered owner is Bao Power Shipping Co Ltd, a Marshall Islands company whose registered address is care of a ship management firm in Weihai, Shandong.

The third is IMO 7360320: an 828 GT fishing vessel built in France in January 1975, which has been Belier, then Belouga, then Pearl, and has carried the name BAO WIN since January 2022. It has flown France's flag, then Guinea's, and has been Belize-flagged since 2015. Its registered owner is Fortune Ocean Fishing Co Ltd, a Belize company registered care of an address in Qingdao, Shandong.

Now put the coverage next to that. Reporting on the fine placed BAO WIN under Panama's flag. The Panama-flagged BAO WIN is the 1994 refrigerated cargo ship, the second hull on that list. A reefer collects and carries frozen catch between the fishing grounds and port; it does not jig squid. The single published identifier that a reader could actually check points at the wrong vessel.

What follows is an identification we have built from the register, and it should be read as exactly that, because no published Argentine document names an IMO number. The match rests on circumstance rather than on a document, and the operator could say so.

The hull that fits is the first one on the list, IMO 1127166, the 1,382 GT jigger delivered in October 2025. And it has a sister. IMO 1120754, named BAO FENG since September 2025, is also 1,382 GT, also a fishing vessel, also Vanuatu-flagged on delivery and on the Zanzibar register from March 2026, and carries the same registered owner under the same IMO company number. The two were delivered a month apart. On 10 January, the day Argentina logged that track, BAO FENG was four months old and BAO WIN was three. The name, the tonnage, the delivery dates, the ages, and the Vanuatu-to-Tanzania flag move all fit what was reported, and no other hull in the register fits.

One caveat on the flag move, since the numbers do not line up exactly: the Infobae report covers three vessels leaving Vanuatu's register for Tanzania. We can account for two of them. What the third is, and whether it is connected to this case at all, we cannot say from the published record.

A word about the owner, because sequence matters here and it is easy to read it the wrong way round. Both jiggers are registered to East Africa Fishery Co Ltd, a Zanzibar company, and in both cases that ownership takes effect in March 2026, on the 1st for one hull and the 23rd for the other. Argentina's detection was on 10 January. The company therefore acquired these vessels seven to ten weeks after the conduct that was penalised, depending on the hull. It has not been accused of anything by anyone, and nothing here suggests it should be. That is precisely what makes it worth a look: a Zanzibar company took on two brand-new Chinese-operated jiggers in the same month that Vanuatu was stripping them of its flag.

Two things follow. The first is that the reporters are not at fault here: they published what the authorities released. It is the cost of announcing an enforcement action without the one number that would make it verifiable. The second is subtler. These two jiggers are only months old. They sit in the identity register, but a hull that new has not yet worked its way into the RFMO and national fishery registers where a compliance check would look for it. Argentina's penalty is on the public record; the hulls it applies to are, for now, effectively unsearchable in the places most people would search.

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A sanction by one country is not a fishing prohibition

Mongabay traced this fleet's tuna into Japan. Four years after the US designation, hulls tied to the company still sit on current fishery registers.

Mongabay, a non-profit newsroom covering conservation and environmental science, has gathered eight stories into a series called Finning the High Seas (July 2026). The underlying investigations ran in 2022, and the collection is worth reading as one piece, because assembled together the chain becomes visible in a way the individual stories could not show.

Reporters interviewed 16 Indonesian deckhands from 12 of Dalian Ocean Fishing's boats, and the Environmental Justice Foundation supplied interviews it had separately conducted with 11 more from another six: crew from more than half the fleet. They described excessive working hours, poor food and drinking water, illness, and deaths at sea.

On the sharks, the arithmetic is the finding. Five DOF longliners produced roughly 5.1 metric tonnes of dried shark fin in the western Pacific in 2019. Mongabay converts that to about 843 tonnes of whole shark, or more than 31,000 individual animals. In the same ocean in the same year, China reported 735 tonnes of shark for its entire longline fleet. Five boats out of a fleet of about 35 accounted for more shark than China declared for its entire longline fleet. Note the two figures are on different scales and only comparable once converted: dried fin is a small fraction of the weight of the animal it came from.

The series also traces where the tuna went. Mongabay reported that DOF sold through Toyo Reizo, the seafood trading arm of Mitsubishi Corporation. The scale of that relationship comes from DOF's own account of it: in draft documents prepared for an unsuccessful 2014 attempt to list on the Hong Kong Stock Exchange, the company stated that sales to Toyo Reizo were RMB173.0M, RMB224.2M, and RMB274.3M in 2011, 2012, and 2013, "representing 80.4%, 73.9% and 72.0% of our total revenue for the same periods". Those sums are roughly USD 26.8M, 35.5M, and 44.6M. Reefers chartered by MRS Corporation, another Mitsubishi subsidiary, collected catch at sea, which let the fishing vessels stay out for years without a port call and kept conditions aboard out of anyone's sight. Documented shipments landed at Shimizu, in Shizuoka Prefecture. Mitsubishi suspended the relationship in mid-2020 (Mongabay, 10 November 2022).

The reporting fed enforcement. In December 2022 the US Treasury's Office of Foreign Assets Control designated Dalian Ocean Fishing along with named individuals (Mongabay, 15 December 2022). Investigative reporting on IUU fishing and labour abuse feeding directly into a state sanctions measure is a genuinely unusual outcome.

Here is the part the coverage does not follow. A US designation binds US persons. It does not remove a hull from a flag registry, strike it from an RFMO record, or take it off an industry whitelist. Those are separate registers, kept by different bodies for different purposes, and none of them reads the others.

We looked the company up. Kanikosen holds sixteen separate entity records whose names contain "Dalian Ocean Fishing": one firm written sixteen ways by different registers, which is by itself a good part of the reason company-level checks fail. The largest single record is named as owner of 33 hulls. Treat that as a floor rather than a fleet count, because a company is only visible where a register prints its name, and no register is obliged to print it. Hulls in that group still appear on fishery registers published this quarter, including RFMO records and a whitelist maintained by the Japanese tuna industry.

None of that is a breach by anyone. But suppose you are financing a vessel, or buying from one. You run its IMO number against the fishery registers and it comes back authorised and in good standing, because it is. Nothing in that answer tells you the company behind it was sanctioned four years ago, and nothing obliges the register to tell you. You have to know to run the second check, and to know that, you have to already suspect.

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Also on the water

• Ian Urbina, writing in El País on 1 August 2026, set out a two-year investigation by The Outlaw Ocean Project into fishmeal, the industry that cooks and grinds whole wild-caught fish into feed for farmed salmon, shrimp, and livestock. It mapped more than 1,400 plants across 64 countries and traced the chain from fishing vessels through processing plants, feed mills, and fish farms to the retailers. A farmed salmon can eat more than six times its own weight in wild fish before it reaches the counter. Why the vessel end of that chain is hard to audit from public records: Mauritania, one of the largest producers, publishes a register of approved plants and it publishes its fishing licence lists, but nothing connects a named vessel to the named plant that received its catch. That link lives in landings declarations, and no state in the region publishes those.
• EU vessels will be able to take 55,000 tonnes of tuna in Seychelles waters under a four-year agreement (La Voz de Galicia, 28 July 2026). The report does not say whether 55,000 tonnes is the annual ceiling or the total across the whole four years, and the two readings differ by a factor of four. Until the protocol text is published, the figure cannot be compared with anything.
• Global Fishing Watch's satellite radar vessel detections have been offline since 3 July, across the map, the APIs, and the data download portal, after the European Space Agency retired the Copernicus Sentinel-1A satellite. GFW says the data stays affected until it has integrated pipelines for the newer Sentinel-1C and Sentinel-1D (Global Fishing Watch platform update). Synthetic Aperture Radar, or SAR, is the satellite layer that sees a hull directly, so it picks up vessels that have switched off their tracking transmitters and disappeared from the ordinary maps. If you are running an analysis over July, check your coverage before concluding that a patch of ocean was empty.
• The Chinese distant water fleet has massed off Chile after months working the Southern Cone without a break (Faro de Vigo, 30 July 2026).

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No single record answers the question that matters. Test authorisation, vessel identity, ownership, enforcement history, and sanctions exposure separately, then reconcile them by date and by stable identifiers, before you treat a vessel or a company as low risk.

Next issue: the Zanzibar register. East Africa Fishery Co Ltd took on two brand-new Chinese-operated squid jiggers in March 2026, weeks after Vanuatu struck them off. The register gives us the company, its address, and its number, and stops there. Who stands behind a Zanzibar company is not a question the public record answers, and that gap is the subject.

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Corrections. We publish register findings, so we expect to be checked. If anything here is wrong, tell us and we will correct it in the next issue and annotate the web version, naming what changed. Vessel operators and named companies get the same right of reply as anyone else. Write to [email protected].

On sources. Ship particulars are from the IMO ship identity register. Authorisation and licence records are from the published registers of the bodies named against them. Where a claim comes from a news outlet or an NGO, we say so and link it. Where two sources disagree, we print both.