Deep-sea fish have evolved transparent teeth which, along with their black bodies, make them invisible to prey. While dragonfish are only the size of a pencil, they are fearsome predators at the top ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Deep beneath the sea off the coast of California, there is a species of ...

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 ...