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Freshwater sharks, primarily belonging to the family of bull sharks, do exist. Bull sharks (Carcharhinus leucas) are known for their ability to survive in both saltwater and freshwater environments. They can travel far up rivers and have been found in various freshwater systems, including the Amazon River, as well as lakes and estuaries. While other species may inhabit brackish water, bull sharks are the most notable example of a true “freshwater shark”.

Exploring Freshwater Sharks: The Fascinating World of Bull Sharks and Their Unique Adaptations While most people associate sharks with the ocean, a remarkable species known as the bull shark (Carcharhinus…