Nomura's jellyfish: the crew of the fishing boat was thrown into the sea when the vessel capsized, but the three men were rescued by another trawler.

野村水母：渔船被其倾覆时，三名船员被抛进大海，随后被另一艘渔船救起。

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The trawler, the Diasan Shinsho-maru, capsized off Chiba 'as its three-man crew was trying to haul in a net containing dozens of huge Nomura's jellyfish.

载有三人的日本籍大山信胜丸号渔船在千叶海域倾覆，当时三名船员正试图拉回捕获有巨型野村水母的渔网。

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Nomura's jellyfish first arrived in Japanese waters in 2005 when fisherman out looking for anchovies, salmon and yellowtail began finding large numbers of the gelatinous creatures in their nets.

2005年，渔民出海捕捞凤尾鱼、鲑鱼以及黄尾鱼时，开始发现渔猎之中出现了越前水母这种巨大的生物。

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It's not clear why waves of Nomura's jellyfish have made it to the Sea of Japan in recent years.

CNN: Japanese fishermen brace for giant jellyfish

Some have speculated that overfishing, pollution or rising ocean temperatures may have depleted the kinds of fish that prey on Nomura's jellyfish in the polyp stage.

CNN: Japanese fishermen brace for giant jellyfish

But recently fishermen off the coast of Japan have as often been pulling in jellyfish: the giant echizen kurage, Nomura's jellyfish, which can be over a metre across and weigh more than 150 kilos (330lbs).

ECONOMIST: A netful of trouble for Japanese fishermen