Scared Shrimp Spews Hues
Predators who mess with a shrimp named parapandulus get a snoot full of glow-in-the-dark vomit, as seen in this red-light image by biologist Sönke Johnsen from a July 2009 dive aboard the submarine Johnson-Sea-Link. Scientists aren't certain about the purpose of the glowing stuff yet, but think it may work "like the exploding-paint money bags you see in bank robbery movies," Johnsen said. "An animal that disturbs the shrimp gets coated with light, which makes it highly visible to predators." Read a blog from the expedition.