GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY
Red cheek anthias (Pseudanthias huchtii) by a sea fan. This fish inhabits coral reefs in the tropical western Pacific Ocean. It lives in shoals dominated by one male, who at 12 centimetres long is double the size of the females. It feeds on zooplankton. Photographed off Irian Jaya, Indonesia.
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