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 ...

There’s no shortage of vacation horror stories, from lost luggage to sunburns that make you regret everything. But few beach tales stick quite like the one involving jellyfish. Some people might even ...

Stingrays are not naturally aggressive and generally only sting in self-defence, usually when accidentally stepped on in ...