Researchers recorded lemon sharks (Negaprion brevirostris) preying on an invasive species, the jaguar cichlid (Parachromis ...

A new pattern in shark behavior has experts sounding the alarm, and it may have everything to do with an overheating planet. Bull sharks are known to be able to swim between saltwater and freshwater, ...

GALVESTON, Texas — A study by Texas A&M researchers showed a dramatic increase in the baby bull shark population in several brackish Texas waterways that have a combination of freshwater and seawater.