L. NEWMAN & A. FLOWERS / SCIENCE PHOTO LIBRARY L. NEWMAN & A. FLOWERS / SCIENCE PHOTO LIBRARY
Spine-cheeked anemone fish. This fish (Premnas biaculeatus) is also known as the maroon anemone fish, or clownfish. It lives with a sea anemone (not seen) in a symbiotic relationship. It cleans the anemone of parasites and in return finds protection amongst its stinging tentacles. A layer of mucus on its skin protects it from the stings. Photographed off Madang, Papua New Guinea.
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