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 ...

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 ...

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

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

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

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, ...