TED KINSMAN / SCIENCE PHOTO LIBRARY TED KINSMAN / SCIENCE PHOTO LIBRARY
An image of Caulastrea curvata coral in white light. This species of coral will glow brightly when illuminated in ultra-violet(UV) light. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
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