Scientists Confirm Sharks Travel More than 1,000 Miles up the Mississippi River
Sharks are saltwater predators that live in the ocean. However, it turns out that a unique shark species, the bull shark, tends to swim outside the box—and right into the freshwater of the Mississippi River. Could bull sharks really swim that far from the ocean, and could they survive in freshwater? That is exactly what researchers Ryan Shell and Nicholas Gardner wanted to find out. The two scoured hundreds of bull shark reports and research to understand the movements of these mysterious creatures. They have now published their findings and officially confirmed that bull sharks travel more than 1,000 miles …
