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。
Any of various primitive elongated freshwater or anadromous fishes of the family Petromyzontidae, characteristically having a jawless sucking mouth with rasping teeth.
与八目鳗类鱼区别开的七鳃鳗。
Any of several similar fishes, such as the lamprey and electric eel.
与八目鳗类鱼区别开的七鳃鳗。
Any of several similar fishes, such as the lamprey and electric eel.
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