Tiny structures in dragonfish teeth turn them into invisible daggers

The translucent chompers probably help surprise prey

dragonfish teeth

FREAKY TEETH  The spearlike teeth of deep-sea dragonfish are translucent, thanks to nanostructures that allow more light to pass through.

Audrey Velasco

In the deep sea, dragonfish lure smaller fish near their gaping jaws with beardlike attachments capped with a light.