Deep-sea dragonfish possess an unusual weapon that they wield extremely well when it comes to luring, capturing and killing their unlucky prey: invisible, dagger-like teeth lining their gaping mouths.

NEW YORK (AP) — A deep-sea fish can hide its enormous, jutting teeth from prey because its chompers are virtually invisible — until it’s too late. What’s the dragonfish’s secret? The teeth are ...

Not all creepy things go bump in the night -- some of them swim. While you might think of fish as harmless little dudes hanging out in your aquarium, there are some ...