[youtube https://www.youtube.com/watch?v=CMdawl05lMs&w=560&h=315]

How would you feel encountering a swarm of leeches swimming in masses??!!! That’s the stuff of horror movies….and apparently Green Bay, Wisconsin. Shedd Aquarium fish ecologist Solomon David filmed this eerie footage. He is working with researchers at the American Museum of Natural Science to try and figure out the species of leeches and reasons for the swarm. Check out the creepy video and be thankful you don’t have to swim anywhere near this. MORE

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