Where are bull sharks in rivers?

Bull sharks occur in tropical to subtropical coastal waters, worldwide. They also occur in a number of river systems and some freshwater lakes (Compagno et al. 2005). They have been reported 3700 km (2220 mi) up the Amazon River in Peru, and over 3000 km (1800 mi) up the Mississippi River, in Illinois.



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The bull shark is commonly found worldwide in coastal areas of warm oceans, in rivers and lakes, and occasionally salt and freshwater streams if they are deep enough.

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There have been no confirmed reports of a bull shark being caught in any of the Great Lakes. While bull sharks are known to inhabit freshwater bodies, they typically prefer estuaries and brackish waters where salt and freshwater mix.

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