Sea lampreys are a parasite, feeding by attaching to fish with their suction mouth, using their tongue to rasp a hole through the fish's skin, and consuming the blood and juices that flow out.

We would be better off with lampreys running the country,’ quipped one Facebook user in response to a Republican ...

The ladder is a series of tiered concrete walls, spanning about 800 feet along the side of the dam, that fish can use to go ...

In the 20th century, sea lamprey laid waste to the Great Lakes commerical fishing industry, chewing through trout, whitefish and ciscoes with their suction cup mouths and rows of sharp teeth.