Deep-Sea Tuna Fleet Faces Fuel Crisis as Costs Soar, May 31

Japan’s deep-sea tuna fishing industry faces a severe cost crisis. Fuel prices have surged globally, forcing fishing companies to delay vessel departures and shorten operations. One major Kagoshima firm, Ushio Co., collapsed on May 7 with 18.7 billion yen in debt. The crisis reveals how vulnerable offshore fishing remains to energy price shocks.

Fuel Costs Push Fishing Fleet Into Crisis

Deep-sea tuna vessels face fuel costs that have doubled or tripled in recent years. One Iwate-based tuna company reported fuel costs rising from 80 million yen to 150 million yen per voyage. Ushio Co. in Kagoshima struggled with fuel expenses that mounted alongside ship maintenance costs and equipment upgrades. The company’s debt reached 1.6 billion yen in borrowed funds before it ran out of cash.

Ushio Co. Collapse Signals Wider Industry Stress

Ushio Co. was established in 1998 and shifted focus to tuna fishing after selling squid vessels in October 2014. The company once posted sales above 1 billion yen annually. By the fiscal year ending June 2025, sales fell to 376 million yen with a loss of 198 million yen. The firm missed debt payments on December 29, 2025, and again on April 28, 2026, before receiving a bank transaction suspension on May 7, 2026. Total debt reached 1.869 billion yen.

Fishing Operations Delayed Across Japan

Tuna fishing vessels in northern Japan are postponing departures as fuel costs eat into profits. Fuel price surges force tuna ships to delay departures and cut operation schedules. Fishermen report that tuna prices remain weak, making it harder to absorb higher costs. Middle East tensions have driven fuel prices higher, adding pressure on an already fragile business model.

Structural Challenges Beyond Fuel Costs

Ushio Co. faced more than just fuel expenses. Ship maintenance, equipment replacement, and catch volumes all fluctuated unpredictably. The company’s revenue swung sharply year to year, preventing stable cash flow even during profitable periods. Regional economic pressures affect multiple industries in Kagoshima, where fishing remains a core sector. Experts warn that without price recovery or cost controls, more tuna operators may face similar crises.

Final Thoughts

Ushio Co.’s collapse shows how fuel costs and weak market prices can destroy even established fishing firms. Japan’s deep-sea tuna industry faces structural pressure that fuel prices alone cannot explain. Operators must find new ways to manage costs or risk further bankruptcies.

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