Man-of-war are known for their long tentacles that grow to be an average of 30 feet, but can be around 100-feet-long, ...

A rare species of freshwater jellyfish has been spotted in Lake Martin, puzzling local residents and marine biologists alike. "I'm down here five days a week; you deal with all kinds of stuff.

Despite their name, jellyfish aren’t ... others the depths, and a few prefer freshwater. What unites them is that they’ve converged on a similarly successful strategy for floating through ...

Don't take it from us, take it from the Minnesota Department of Natural Resources, which this week took to Facebook to announce it had received multiple reports of freshwater jellyfish in lakes ...