A friend of mine told me about this fish that goes up your uethra and eats you alive after he saw an episode of Venture Brothers. Turns out its real. Check it out:
Candiru - Wikipedia, the free encyclopedia
Although the chance of it ever happening to a human is astronomically low, just the thought of it... fffffffffffffffffuck. If there was ever a species I could want eradicated, these fuckers right here.
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