Japanese bottom fishery in the Bering Sea according to the Commercial Fisheries Review dated July 1968 No. 7

An item reported that in 1968 twelve Japanese mother ships were active in the bottom fishery in the Bering Sea , the last mother ship departed from Japan on 27 April. Between January-April was around 200,000 metric tons caught against the 156,500 tons a year earlier. In 1967 was a record catch of 770,000 metric tons. The mother ships were:

Banshu Maru No. 5, gross tonnage 3,768 tons, catch target 5,620 metric tons

Kanshima Maru, gross tonnage 7,163 tons, catch target 7,820 metric tons

Kazushima Maru, gross tonnage 3,757 tons, catch target 2,460 metric tons

Seifu Maru, gross tonnage 8,269 tons, catch target 22,700 metric tons

Oshima Maru, gross tonnage unknown tons, catch target 4,680 metric tons

Nisshin Maru No. 2, gross tonnage 27,035 tons, catch target 127,500 metric tons

Soyo Maru, gross tonnage 11,192 tons, catch target 115,990 metric tons

Gyokuei Maru, gross tonnage 10,537 tons, catch target 148,140 metric tons

Shikishima Maru, gross tonnage 10,144tons, catch target 103,200 metric tons

Hoyo Maru, gross tonnage 14,094 tons, catch target 121,717 metric tons

Chichibu Maru, gross tonnage 7,472 tons, catch target 8,000 metric tons

Kotoshiro Maru, the Kotoshiro Maru No. 28, gross tonnage 572 tons, catch target unknown.