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

Nick Upton / Common / Starlet cushion star (Asterina gibbosa) from Atlantic Ocean. Devon, England, UK. September.

Magnus Lundgren / Wild Wonders of China / Blue bat star (Patiria pectinifera) close-up from above with sieve plate. Zhifu Island, Bohai Sea, Yellow Sea, Shandong Province, China.

Magnus Lundgren / Wild Wonders of China / Blue bat star (Patiria pectinifera) on rock. Zhifu Island, Bohai Sea, Yellow Sea, Shandong Province, China.

Magnus Lundgren / Wild Wonders of China / Blue bat star (Patiria pectinifera). Zhifu Island, Shandong Province, China.

Magnus Lundgren / Wild Wonders of China / Chameleon goby (Tridentiger trigonocephalus) with Blue bat star (Patiria pectinifera) in background. Bohai Sea, Yellow Sea. Zhifu Island, Shandong Province, China.

Magnus Lundgren / Wild Wonders of China / Blue bat star (Patiria pectinifera) with eye spot on arm, Bohai Sea, Yellow Sea. Zhifu Island, Shandong Province, China.

Richard Herrmann / Bat Star (Asterina miniata) group and sea snails feeding on Ocean Sunfish (Mola mola) that was killed by California Sea Lion (Zalophus californianus), Monterey Bay, California

Richard Herrmann / Bat Star (Asterina miniata) group feeding on Moon Jelly (Aurelia aurita) prey, Monterey Bay, California

Nick Upton / Cushion star (Asterina gibbosa) moving in a rockpool near a Flat top shell (Gibbula umbilicalis) and a Common prawn (Palaemon serratus), Cornwall, England, UK, September.

Nick Upton / Cushion star (Asterina gibbosa) moving in a rockpool near some Flat top shells (Gibbula umbilicalis), Cornwall, England, UK, September.

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