Shark Attack … In a Lake?!

The idea of a shark attacking someone in the ocean is scary enough, but this week, a 7-year-old boy was bitten by one of these fearsome fish in a lake.

The boy was swimming in Lake Pontchartrain in Louisiana, when something bumped into him in the water and chomped down on his foot, USA Today reported. The bite's appearance suggests it was probably a bull shark measuring about 5 feet (1.5 meters) long, experts say. The boy is expected to recover from the incident.

While it may seem unusual for a shark to turn up in this part of Louisiana, Lake Pontchartrain isn't strictly a lake — it's an estuary, a coastal body of brackish water connected by rivers or streams to the open ocean. The lake is connected to the Gulf of Mexico by the Mississippi River.

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[link to www.livescience.com]