Craspedacusta sowerbii aren't frequently seen in their adult, "medusa" form. The invasive species likely came from Asia in ...

GRAND RAPIDS, Mich. (WOOD) — An invasive freshwater jellyfish has been spotted in Lake Erie. The Pennsylvania Department of ...

Lake Erie, the fourth largest of the five Great Lakes stretching across four states — Michigan, Ohio, Pennsylvania, and New ...

A rare freshwater jellyfish was spotted last month in Lake Erie, according to Pennsylvania officials. Ray Walter, an intern with the Pennsylvania Department of Environmental Protection, came across a ...

The U.S. Army Corps of Engineers reported Great Lakes water levels for the months of June and July showed a mix of rising and ...

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The area is part of a landscape known as the Sibley Prairie, a unique ecosystem that is a top priority for conservation groups in southeast Michigan.

Great Lakes biologist Jim Grazio experienced a rare encounter that was more than 30 years in the making. On July 15, while ...

Dead fish are washing up along parts of Lake Erie — in some spots, by the thousands. But experts say there’s no reason to panic.  Here’s what’s really behind it: ...

On Aug. 4, 2024, an alligator was spotted in Lake Erie. Since the initial claim, no official sighting of the gator has been ...

A Great Lakes invader, sea lampreys (Petromyzon marinus) are parasitic fish native to the Atlantic Ocean, but entered the ...

A Great Lakes invader, sea lampreys (Petromyzon marinus) are parasitic fish native to the Atlantic Ocean, but entered the ...