Argentina / Ushuaia and the southern shelf
Tai An: juvenile toothfish, disputed gear records and mismatched labels
The record reaches beyond an excessive catch allegation: fisheries scientists found discrepancies in gear reporting, while prosecutors reported labels that did not match inspected contents.
Scientific findings; criminal investigation2023–2024 catches; 2024 investigation; 2025 dispute · Reviewed September 8, 2026
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What the record establishes
INIDEP’s July 2024 analysis used official catch declarations and onboard observer data for Tai An. It concluded that some 2023–2024 catches recorded as taken with midwater gear should have been recorded as bottom trawling, which would contravene the cited protection-area rule. The scientists recommended retaining the incidental-catch cap.49
In May 2024, federal prosecutors described an investigation into juvenile toothfish catches during the February–March voyage. They also reported that a 21 March inspection found some packaging labels inconsistent with the contents. They sought ownership records and expert evidence to establish the extent and reversibility of environmental harm.48
Tai An is an Argentine-registered vessel of Prodesur, associated in local reporting with Chinese-born entrepreneur Liu Zhijiang. Prodesur characterized the toothfish catch as incidental. Later reporting describes an administrative penalty and continuing quota litigation, which are distinct from a final criminal ruling.507349
Why it matters
A locally flagged ship can require scrutiny without any allegation that the flag itself is false. This case joins three evidence systems: scientific observers, catch declarations and physical product inspection. When they disagree, tracing the precise haul, gear and lot is more useful than assigning responsibility from a flag or a company’s nationality.
The sequence
Voyage under examination
The catch and gear used during the voyage become the focus of scientific and enforcement reviews.4849
Prosecutors seek expert evidence
The Public Ministry describes the investigation and packaging discrepancies.48
Scientific analysis published
INIDEP compares catch declarations, observers’ information and gear types.49
Quota dispute continues
Reporting describes Prodesur’s later challenge; this does not settle the environmental case.50
Responses and legal posture
Prodesur’s reported defense was incidental capture rather than directed toothfish fishing. INIDEP’s analysis challenges the gear and catch explanation. The subsequent quota complaint is reported as a disputed claim, not proof of corruption.5049
What remains unresolved
The prosecutor’s news release omits the vessel’s name; this file links it to Tai An through matching voyage dates and corroborating scientific and local reporting. The final criminal judgment, original sanction instrument and full chain of custody for the mismatched cartons were not obtained. Reported political-influence and bribery claims are not adopted as findings.
A Chinese-born owner’s involvement does not make an Argentine vessel a Chinese state operation. No state direction of the alleged conduct is established in these sources.
How to read the evidence labels →Sources for this file
INIDEP 065/24: Tai An catches and hourly yields, 2018–June 2024 ↗
Summary and methods; official catch statistics versus observer-recorded gear
Source limits
Technical assessment, not a court judgment. Distinguishes historical quota years and gear types; findings concern the period studied.
Ushuaia: la fiscalía solicitó medidas para investigar posible daño ambiental ↗
21 March inspection, juvenile catches, labeling discrepancies and requested expert evidence
Source limits
The announcement does not name the vessel; attribution to Tai An is corroborated by matching voyage dates in INIDEP and contemporary reporting. Investigation, not a final criminal judgment.
Prodesur’s quota dispute after the Tai An case ↗
Prodesur’s incidental-catch defense, later quota complaint and reported administrative sanction
Source limits
Reported sanction and complaint are not original judgments. Allegations of bribery or political influence are not adopted as findings.
Profile of Liu Zhijiang and Prodesur in the Tai An case ↗
Prodesur ownership and Chinese-born entrepreneur established in Tierra del Fuego
Source limits
Biography is not proof of state direction; unrelated personal-business claims are not adopted by this project.
