The sinuous walls protecting the polyps of a hard coral, Platygyra sp., glow fluorescent at night under UV light. The evolutionary advantage of fluorescence is still unknown. Buyat Bay, Lembeh Strait, North Sulawesi, Indonesia, Pacific Ocean


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Image ID: 0154570-EDA-X.jpg

The sinuous walls protecting the polyps of a hard coral, Platygyra sp., glow fluorescent at night under UV light. The evolutionary advantage of fluorescence is still unknown. Buyat Bay, Lembeh Strait, North Sulawesi, Indonesia, Pacific Ocean
Credit to: Blue Planet Archive / Ethan Daniels

Image dimensions: 5400x3600

URL for this image: https://pictures.blueplanetarchive.com/image/I00003TWi7HS9cEk