Bull Sharks in the Potomac River The Mississippi River is not the only freshwater river to host traveling bull sharks in the United States. In 2010 John “Willy” Dean, a commercial fisherman on ...

Shell teamed up with Nick Gardner, a West Virginia Univesity Potomac ... from a shark that somehow made its way up the Mississippi River. Most recently in Minnehaha Creek, Minnesota, bull shark ...

ALTON — Researchers have confirmed at least two bull shark ... river miles from the Gulf of Mexico where they are normally found — according to paleontologist Dr. Ryan Shell and WVU Potomac ...

While bull sharks are not new visitors to freshwater habitats, their presence is increasing because of this human-related issue.

As the Ohio River reached near-record-setting flood levels recently, a recurrent rumor surfaced about the alleged danger of bull sharks in its waters. The theory? That bull sharks swim up the ...