Any of various primitive elongated freshwater or anadromous fishes of the family Petromyzontidae, characteristically having a jawless sucking mouth with rasping teeth.

七鳃鳗，八目鳗一种七鳃鳗科的原始细长淡水或溯河产卵鱼，特点是长有无。

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Any of various freshwater or anadromous food and game fishes of the family Salmonidae, especially of the genera Salmo and Salvelinus, usually having a streamlined, speckled.

鳟鲑鱼科的各种淡水或溯河性食用及捕钓鱼，尤指鲑鱼属和红点鲑属，通常。

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Any of various freshwater or anadromous food and game fishes of the family Salmonidae, especially of the genera Salmo and Salvelinus, usually having a streamlined, speckled.

鳟鲑鱼科的各种淡水或溯河性食用及捕钓鱼，尤指鲑鱼属和红点鲑属，通常。

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