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

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 with the Pennsylvania Department of Environmental Protection, came across a ...

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

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, ...

ERIE, Pa. (AP) — They’ve been in the Great Lakes Basin for decades, but recently entered lakes Erie and St. Clair. Freshwater jellyfish — about the size of a penny or quarter — are ...

They've been in the Great Lakes Basin for decades, but recently entered lakes Erie and St. Clair. Freshwater jellyfish - about the size of a penny or quarter - are translucent, slimy blobs that ...

Waves break on Edgewater Beach west of downtown Cleveland, Thursday, Sept. 9, 2010. They've been in the Great Lakes Basin for decades, but recently entered lakes Erie and St. Clair. Freshwater ...

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

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

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

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.