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.

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 ...

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.

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