This eel-like creature fastens itself to fish and sucks their blood. Within the past 25 years it has invaded Lake Huron and Lake Michigan and destroyed their teeming population of trout ...

DESCRIPTION: Pacific lamprey are slender, eel-like fish that are dark blue or brown in color and grow to about 30 inches long. They have lateral eyes, lack paired fins, and have no scales. Adult ...

Newly published research from U.S. Geological Survey looked at more than 25 years of annual sea lamprey data, including annual adult populations of the eel-like fish and the number of wounds reported ...

For several years, the presence of Least Brook lamprey eels (Lampetra aepyptera), a sensitive species of non-parasitic freshwater lamprey, has been casually observed in tributary streams surrounding ...

An invasive species in the Great Lakes, the eel-like creatures attach onto other fish, such as lake trout, whitefish and salmon, to suck their blood, feed on their flesh and ultimately kill them.

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Newly published research from U.S. Geological Survey looked at more than 25 years of annual sea lamprey data, including annual adult populations of the eel-like fish and the number of wounds ...