1904年。年轻的丹麦海洋学家兼生物学家乔纳斯·施密特在丹麦研究船“托尔”号上找到一份工作，研究食用鱼(如鳕鱼和鲱鱼)的繁殖习性。
In 1904 Johannes Schmidt, a young Danish oceanographer and biologist, got a job aboard the Thor, a Danish research vessel, studying the breeding habits of food fishes such as cod and herring.
鳕鱼干和鲱鱼干已经是欧洲鱼类贸易的主要产品，但水温的变化迫使渔船在离岸更远的地方作业。
Dried cod and herring were already the staples of the European fish trade, but changes in water temperatures forced fishing fleets to work further offshore.
腌鲱鱼是波兰人在元旦的菜单和煮鳕鱼是一种传统的丹麦食物。
Pickled herring is on the New Year's Day menu in Poland and boiled cod is traditional in Denmark.
另外，还可再吃些低汞含量的海鲜肉，如三文鱼、鲱鱼、沙丁鱼、凤尾鱼、鳕鱼、贝类、鲑鱼、鳕鱼和鲶鱼。
In addition, they can have another seafood meal low in mercury that week, such as salmon, herring , sardines, anchovies, cod, shellfish, trout, pollock, or catfish.
根据经验和改进了的仪器，人们不仅能确定鱼群的位置，还可以根据鱼群回声的特点辨别鲱鱼、鳕鱼还是其他人们熟知的鱼种。
With experience, and with improved apparatus, it is now possible not only to locate a shoal but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.
主要的品种类是鳕鱼、鲱鱼、白令海鲱、鲽鱼、大鲮鲆、大马哈鱼和胡瓜鱼。
The main species caught were cod, sprat, Baltic sprat, plaice, turbot, salmon, and smelt.
主要的品种类是鳕鱼、鲱鱼、白令海鲱、鲽鱼、大鲮鲆、大马哈鱼和胡瓜鱼。
The main species caught were cod, sprat, Baltic sprat, plaice, turbot, salmon, and smelt.
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