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There is no denying that Lake Michigan is one of the most picturesque places in the world. Many fall in love with its serene yet unpredictable beauty. In return, the lake gave an abundant harvest of fishes and other scrumptious seafood. Its shores littered with pristine beaches, numerous attractions, and colorful towns to visit. However, Lake Michigan hides some of the deadliest animals on earth. When you’re visiting the lake wearing one of our Great Lakes Words T-Shirts, make sure to keep an eye out for these 4 creatures that could be lurking underwater, though chances are very low that you’ll ever have an encounter with one.



Snakesheads have really sharp teeth, grow 3 feet long, and they can ‘walk’ on land for 7 days.  They use their fins to ‘walk’ from one body of water to another as they find food. Their feeding time means devouring everything in their paths leaving nothing behind. Once they run out anything to eat, they move on to the next body of water ready to consume everything again. How bad are snakeheads? The Maryland Department of Natural Resources once offered $200 gift cards for each snakehead caught dead.



Although there had no official reports of Piranha in Lake Michigan, they sometimes turn up in small lakes around the Midwest. Most recent discovery are Pacus, a close relative of piranha was caught in Lake St. Clair in Port Huron in southeastern Michigan. This fish species is very popular among aquarium fanatics because of their human-like teeth. A native of South American countries, they can thrive on cold waters of Lake Michigan and alarmingly so. Many Michigan anglers are reeling in Pacus along with their catch. The fish most like made its way on the lakes when the owner decided to let them run free. Talk about being responsible pet owners.


Sea Lamprey

Sea lamprey is a parasitic fish native to the northern and western Atlantic Ocean. It is another example of ocean fish that learned to adapt to its environment. They are now swimming in the freshwater of Lake Michigan. In the 1950s, there had been great infestations of sea lamprey in the lake. These parasitic fish have an eel like body and a mouth filled with numerous teeth. They feed on their prey by latching onto the body and grinding a hole with its rough tongue. If that is not scary, I don’t know what is.


Bull Shark

There had been unconfirmed reports that Bull Sharks was once caught in Lake Michigan in the mid-1950s. But the reports are somewhat blurry and there is no concrete proof to verify the attack. On the other hand, the Conservation Report claimed that Bull Sharks are not limited living on the salt water. Due to the shark’s impressive adaptation, it can swim to fresh water. Bull sharks have been recorded to swim into the Mississippi River and as far as north of Minnesota. An angler once caught a 5-foot Bull Shark in Alton, Illinois in the outskirt of St. Louis.

For now, it is unlikely to find Bull Shark anytime in Lake Michigan because of the low water temperature. However, due to Global Warming, these sharks might find its way into the Lake. In summer of 2012, the water temperature of Lake Michigan reached a scorching hot of 80 degrees. The once-rare occasion of finding Bull Sharks will likely become a common occurrence in the lake.


The Real Danger

If you’re planning to spend some time on -or in- Lake Michigan, you really don’t have much to worry about when it comes to the sea life. However, make sure to pay attention to the lake’s rip tide reports for the day you’re heading out.