Vessels belonging to Dalian Ocean Fishing have spent years operating across vast stretches of international waters, far from routine oversight. The company maintains dozens of longline boats targeting tuna, yet reports from former crew members have drawn attention to practices that extend well beyond standard fishing. Those accounts describe both unusually high shark harvests and persistent hardships for the workers on board.
Scale of the Fleet and Its Reach
Dalian Ocean Fishing operates a sizable collection of vessels that work in waters outside any single nation’s direct control. The boats focus primarily on tuna but have been linked to additional catches that raise questions about compliance with international reporting rules. Because the fleet moves across multiple ocean regions, tracking its activities requires coordination among distant regulators and port authorities. The company’s operations illustrate how modern industrial fishing can span enormous distances while remaining difficult to monitor in real time. Crews often spend months at sea, returning only when supplies run low or mechanical issues arise. This extended isolation limits opportunities for outside inspection or intervention.
Discrepancies in Reported Shark Catches
Testimonies collected from roughly two dozen Indonesian deckhands who served on the vessels pointed to shark harvests far larger than official Chinese statistics for the same areas and periods. A small number of the company’s boats alone appeared to account for more sharks than the entire national longline fleet had declared in comparable zones. Such gaps suggest that finning, the practice of removing fins and discarding the rest of the animal, occurred on a notable scale. These findings emerged after reporters cross-checked worker statements against available catch data. The mismatch helped authorities identify patterns that standard reporting had missed. International observers have long noted that shark populations in many high-seas regions remain under pressure from unregulated or under-reported removals.
Working Conditions Described by Former Crew
The same deckhands recounted extended shifts, limited access to adequate food and clean water, and recurring health problems while at sea. Several described cases of illness that went untreated for long periods, and a few spoke of fatalities among colleagues during voyages. These accounts painted a picture of labor practices that fell well below accepted standards for maritime work. Because the vessels stayed in international waters for most of their trips, workers had little recourse when conditions deteriorated. Recruitment often occurred through intermediaries, leaving individuals far from home and dependent on the vessel for basic needs. The combination of isolation and demanding schedules created an environment where problems could persist without external review. – Excessive working hours with minimal rest
– Substandard provisions for meals and drinking water
– Untreated illnesses during extended voyages
– Reports of deaths occurring at sea
Regulatory Consequences and Broader Effects
The documented discrepancies and crew testimonies contributed to sanctions imposed by the United States against Dalian Ocean Fishing. Those measures restrict the company’s access to American markets and signal heightened attention to both illegal wildlife trade and labor issues in distant-water fleets. Similar concerns have prompted other governments and organizations to examine supply chains that reach into the same regions. Stakeholders affected by these developments include the fishing company itself, the governments responsible for vessel registration, the countries where crew members originate, and conservation groups tracking shark populations. The episode also underscores the practical challenges of enforcing rules across boundaries that no single nation fully controls.
What Matters Now
Continued monitoring of high-seas fleets remains essential to close gaps between reported and actual catches. Improved traceability for tuna and shark products can help buyers avoid supply chains tied to violations. Labor protections for international crews require stronger port-state controls and clearer recruitment standards.
The case of Dalian Ocean Fishing shows how economic activity on the open ocean can carry consequences that reach both marine ecosystems and the people who work within them. Future oversight will depend on better data sharing and coordinated enforcement among the many parties involved.






