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

A rare freshwater jellyfish was spotted last month in Lake Erie, according to Pennsylvania officials. Ray Walter, an intern ...

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

James Grazzio, a Great Lakes biologist with the Department of Environmental Protection, never expected to encounter the ...

A creature resembling a jellyfish was spotted in a pond at Presque Isle State Park. Said creature is called a Craspedacusta Sowerbii.

When thinking of places you might find a jellyfish in the water, Presque Isle State Park may not be at the top of the list, ...

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 ...

An intern with the Department of Environmental Protection captured a rare sight in Pennsylvania's Presque Isle Bay — a ...

A rare freshwater jellyfish was captured on camera at Lake Erie. The Pennsylvania Department of Environmental Protection ...

According to Pennsylvania DEP, their summer intern was in "the right place at the right time" to capture the moment.

You might expect jellyfish in tropical waters, but not while swimming in the Great Lakes, yet that’s exactly what surprised scientists when Lake Erie recently had a rare freshwater jellyfish sighting.