The sea lamprey is an ancient jawless fish.

七鳃鳗是一种没有颚的古老鱼类。

In Lake Huron behind us, there are anywhere from 80 to 150,000 parasitic sea lampreys swimming around right now.

在我们身后的休伦湖，有80万到15万只寄生海七鳃鳗正在游弋。

Spain and Portugal, you could find sea lamprey on a menu as the high dollar market price item.

在西班牙和葡萄牙，你可以在菜单上找到七鳃鳗以很高的市场价格出售。

Now interestingly, sea lamprey are considered a delicacy in other parts of the world.

有趣的是，七鳃鳗在世界其他地方被认为是美味佳肴。

The sea lamprey actually swam or hitched a ride into the Great Lakes through the canal system.

七鳃鳗实际上是通过运河系统游泳或搭便车进入五大湖的。

' and, 'Who died of a surfeit of lampreys?

’还有，‘谁死于过多的七鳃鳗？

Sea lamprey can tell the difference between warm and cold blooded organisms.

七鳃鳗能分辨出冷血和温血生物的。

So, McCoy and her colleagues concluded that Tullimonstrum was probably an ancient relative of lampreys.

因此，McCoy 和她的同事得出结论，Tullimonstrum 可能是七鳃鳗的远亲。

Probably the sea lamprey is one of if not the most devastating species to have invaded the Great Lakes.

七鳃鳗可能是入侵五大湖的最具破坏性的物种之一。

People in the Great Lakes region simply didn't have the palate for sea lamprey.

五大湖地区的人们根本不喜欢七鳃鳗。