Real scary, real vampires

So this one's not a vampire per say, but it's worth a mention. Tadpoles are one of the strangest looking creatures in the animal kingdom; but can you picture one with little vampire fangs sticking out of its mouth?
Vampire tadpoles

So much for just being the butterfly's ugly cousin.
Vampire Moth

Spiders are bad enough, but a spider that prefers human blood?
Vampire spider

This would put a whole new spin on Alfred Hitchcock's "The Birds"
Vampire finches

As if a regular old leech isn't creepy enough, this one has super-size teeth and likes to live in your nose.
T. Rex of Leeches

Even better. This vampire fish swims into . . . um . . . "any orifice" . . . and then proceeds to attach itself and feed.
Candiru catfish