Apparently, several have been spotted around the Lake Erie Islands. According to Stone Laboratory, the species are native to ...

There are a half-dozen species of lampreys in Pennsylvania, but an invasive sea lamprey is impacting a variety of fish in Lake Erie.

It's the fourth time in the past seven summers that Beach 11's swim season has ended early due to elevated E. coli levels.

(CNN) — Four reactors at France’s Gravelines nuclear power plant were shut down late Sunday due to a swarm of jellyfish in the cooling systems, operator EDF said on Monday, likely due to rising water ...

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 ...

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