Vampire movies have trained us to expect the worst out of any creature that has "vampire" in the name. We only have ourselves to blame for that, as the vampires from the movies don't exist in real life. Not only that, but we're apparently using that designator extremely loosely when naming certain creatures.
That's the case with vampire squids, which sound a lot more terrifying than they actually are. Researchers have found only the second such species of squid (Vampyroteuthis pseudoinfernalis in the wild that deserves that name.