The bull shark (Carcharhinus leucas) is notorious for its aggressiveness and adaptability, capable of living in both saltwater and freshwater. With 121 attacks, including 26 fatalities ...

Freshwater shark: Alone among the sharks, the bull shark (Carcharhinus leucas) is frequently found far up rivers. Most exciting recent discovery of an unknown shark: In 1976 and 1984, respectively ...