Gary Bell/ Oceanwide / Sea Goldie (Pseudanthias squamipinnis) school in coral reef with feather stars, Great Barrier Reef, Queensland, Australia

Gary Bell/ Oceanwide / Veined Octopus (Octopus marginatus) predating urchin, Anilao, Philippines

Gary Bell/ Oceanwide / Starfish (Uniophora granifera) on seagrass, Yorke Peninsula, South Australia, Australia

Gary Bell/ Oceanwide / Candy Cane Sea Star (Fromia monilis), Anilao, Philippines

Scott Leslie / American Lobster (Homarus americanus) feeding on sea urchin, Bonne Bay, Newfoundland, Canada

Sean Crane / Bat Star (Asterina miniata) trio at low tide, Montana De Oro State Park, Los Osos, California

Luciano Candisani / Cushioned Star (Oreaster reticulatus), Gipoia Island, Ilha Grande, Brazil

Martin Willis / African Jacana (Actophilornis africanus) walking on floating lily pads, Mabamba Swamp, Uganda

Wild Wonders of Europe / Radisics / Water lilly (Nymphaea odorata) Lake Skadar, Lake Skadar National Park, Montenegro, May 2008

Konrad Wothe / Giant Green Sea Anemone (Anthopleura xanthogrammica) group, Goose Barnacles (Lepas anserifera) group and Ochre Sea Stars (Pisaster ochraceus) at low tide, Olympic National Park, Washington

Ross and Diane Armstrong / Sea Apple (Pseudocolochirus sp) sea cucumber attached to coral, Komodo Island, Indonesia

Jack Dykinga / Desert Lilly (Hesperocallis undulata) and Sand Verbena (Abronia villosa) Mohawk Dunes, Barry M. Goldwater Range, Arizona