When we think about sharks, most of us instantly think of the ocean. However, there are some shark species that live in freshwater environments. Some sharks spend their entire lives in freshwater, ...

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, ...

Sharks are becoming a popular feature in home aquariums, but there’s a clear distinction between freshwater and saltwater species. Freshwater sharks aren’t “true” sharks; they are small fish with ...

A viral social media post claiming two great white sharks are headed for the Great Lakes is making the rounds and it’s ...

Scientists may have been getting shark ages wrong. A new study uses chemical signals in bones to track age more accurately.

Researchers supported by FAPESP recorded lemon sharks (Negaprion brevirostris) preying on an invasive species, the jaguar cichlid (Parachromis managuensis), for the first time. This observation was ...