这是淡水生物入侵的常见模式，如七鳃鳗（sea lamprey）的入侵。 四、人类运输引起的意外入侵：依赖于人类运输，生物体入侵后能适应新的环境。
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... 海马 sea horse 七鳃鳗；八目鳗 sea lamprey 海百合 sea lilies ...
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great sea lamprey 海鳗
同义词： Petromyzon marinus
以上来源于: WordNet
N a common anadromous lamprey, Petromyzon marinus, a form of which occurs in the Great Lakes of N America and causes great losses of fish 海生七鳃鳗
Lamprey is a typical migratory fish, some time in the sea of life.
鳗是一个典型的洄游鱼类，一些在海上的生活时间。
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But today, a permanent dam barrier not the envisioned natural course of rapids is what keeps sea lamprey at bay.
WSJ: Real Rapids in Grand Rapids?
Environmentalists fret that removing dams could increase the risk of flooding and allow invasive fish including the sea lamprey, an eel-like fish with a menacing mouth that attacks other fish to breach the river's tributaries.
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