The invasive sea lamprey brought Great Lakes fishing to its knees in the fifties and sixties, until local communities and ...

its rows of teeth dig into the host's flesh and a sharp tongue rasps through scales and skin. The parasite then feeds on the fish’s body fluids; to keep the juices flowing, the sea lamprey ...

"Lampreys are simultaneously creepy and special—even though people tend to think of them as just tubes with a freaky circle of teeth," says Lily Hughes, corresponding author of the study.

"Lampreys are simultaneously creepy and special -- even though people tend to think of them as just tubes with a freaky circle of teeth," says Lily Hughes, corresponding author of the study.

Sea lampreys abounded in all Great Lakes in 2024 after treatment was limited during COVID. But the parasitic, invasive fish are expected to decline.

The lamprey has a disc-shaped mouth filled with sharp teeth that it uses to suction to the side of a fish. Its scientific name is Petromyzon marinus, Latin for "sucker of stone from the sea." ...

They latch onto other fish, create a wound with their razor-sharp teeth and tongue, and suck out blood and other fluids. In the Atlantic Ocean, where sea lampreys have lived for more than 340 ...

said Nick Johnson, a scientist with the U.S. Geological Survey involved in the effort. Eel-like lampreys kill fish slowly, attaching to their skin with razor-sharp teeth and gradually draining their ...

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An invasive sea lamprey was discovered hitching a ride on a fish hauled in by Island angler David Patterson. The rings of sharp teeth are and raspy tongue are clearly visible even in this small ...

LAKE HURON—An ancient predator, the sea lamprey, has resurfaced as a growing threat in the Great Lakes, sparking alarm among scientists and fishermen alike. This eel-like invader, unchanged for ...