Feather stars and seafans, Lady Elliot Island, Great Barrier Reef, Australia
Leafy sea dragon under the jetty at Rapid Bay in South Australia
Napoleon wrasse fish at Blue Corner, Palau, Micronesia
Janolus fuscus nudibranch, Puget Sound, Saltwater State Park, Des Moines, Washington, USA
Powder blue tang or powder-blue surgeonfish (Acanthurus leucosternon), Red Sea, Egypt
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