While the bright blue, crystal clear Caribbean Sea may garner all sorts of attention, there are more than a handful 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 ...

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

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

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

Great Lakes biologist Jim Grazio experienced a rare encounter that was more than 30 years in the making. On July 15, while ...

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

The invasive freshwater jellyfish, particularly Craspedacusta sowerbii, has garnered significant scientific attention due to its successful colonisation of diverse freshwater environments across ...

The area is part of a landscape known as the Sibley Prairie, a unique ecosystem that is a top priority for conservation groups in southeast Michigan.

This species is generally not considered dangerous to humans. This species is generally not considered dangerous to humans ...

Swimmers in Ocean City are being warned after an unusual surge in jellyfish sightings, driven by calm seas, warm water and ...