八目鳗类鱼有中肾，并且通常是其前肾的新生物。
Hagfish have a mesonephric kidney and are often neotenic of their pronephric kidney.
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.
他们发现毒蕈碱能刺激神经兴奋，并引起八目鳗运动。
Their work determined that muscarine stimulated neural activity, leading to locomotion in the laboratory lampreys.
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.
不幸的是，有时候，八目鳗类鱼会成为自己防卫机制的受害者。但通常情况下，它会把自己拧成几节，然后从粘液中逃脱。
The hagfish, unfortunately, sometimes falls prey to its own defense mechanism, but normally it twists itself into knots to escape the gelatinous goop.
不幸的是，有时候，八目鳗类鱼会成为自己防卫机制的受害者。但通常情况下，它会把自己拧成几节，然后从粘液中逃脱。
The hagfish, unfortunately, sometimes falls prey to its own defense mechanism, but normally it twists itself into knots to escape the gelatinous goop.
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