These demons of the night are way more terrifying than vampires (or vampire bats) will ever be.
Dear Lampreys, this officially too many teeth.
MO: This horrific eel hooks onto a victim with their insane monster teeth while said prey is swimming and defenseless.
Likeliness to hunt humans: Only if starved.
Source: aquaticcommunity.com / via: mnn.com
Source: en.wikipedia.org