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

Pandemic setbacks have sparked a resurgence of invasive sea lampreys in the Great Lakes, putting fish stocks at risk.

Sea lampreys are an invasive fish that entered the upper Great Lakes accidentally through shipping canals starting in the 1920s. Sea lampreys feed on the blood and body fluids of fish by attaching ...

The tiny particles that shed from clothing, packaging and other plastic products are winding up in the fish that people eat, ...

A couple of assumptions are built into that optimistic forecast, including adequate staff and funding is provided to the U.S.

"Because of the sea lamprey’s life cycle ... A single lamprey will eat about 40 pounds of fish during its lifetime and grow to about 2 feet long, according to the Great Lakes Fishery Commission.

The parasite then feeds on the fish’s body fluids; to keep the juices flowing, the sea lamprey secrets an enzyme that prevents its host's blood from clotting. A single lamprey will eat about 40 ...

The parasite then feeds on the fish’s body fluids; to keep the juices flowing, the sea lamprey secretes an enzyme that prevents its host's blood from clotting. A single lamprey will eat about 40 ...