The ocean glows with undersea life that makes its own light. Animals have evolved this bioluminescence for camouflage, to find mates or to repel or confuse predators.
Sea Life Color Codes Food to Evade Danger
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Light emitted from a deep sea brittle star, Credit: Sonke Johnsen
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Crabs sit placidly on a sea pen that emits green light, Credit: Sonke Johnse
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On the sea floor, scientists collect specimens ranging from a shrimp species that vomits light, to a glow-in-the-dark anemone. Credit: Sonke Johnsen
