Commensal Shrimp associated with Starfish, Periclimenes soror, Ambon, Moluccas, Indonesia

Detail of Fire Urchin, Asthenosoma varium, Ambon, Moluccas, Indonesia

Starfish regenerate lost arms, Asteroidea, Triton Bay, West Papua, Indonesia

Blue Starfish under a Jetty, Linckia laevigata, Ambon, Moluccas, Indonesia

Common Starfish (Asterias rubens), two common starfish grazing on algae covered dark red rock, Eyemouth, Scotland, UK North Sea

Common Starfish & Black Brittle starfish,(Asterias rubens) & (Ophiocomina nigra), one of each species moving over dark rock background, Eyemouth, Scotland, UK North Sea

Common Brittlestar (Ophiothrix fragilis) and Common Starfish (Asterias rubens). St Abbs Marine Reserve, Berwickshire, Scotland Restricted resolution (Please contact us). (RR)

Common Starfish (Asterias rubens), common starfish moving over stoney seabed, Eyemouth, Scotland, UK North Sea

Common Starfish (Asterias rubens), common starfish grazing on algae covered dark red rock, Eyemouth, Scotland, UK North Sea

Common Starfish (Asterias rubens), two common starfish grazing on algae covered dark red rock, Eyemouth, Scotland, UK North Sea

Northern Seastar, Asterias rubens; regenerating 2 arms

Northern Seastar, (Asterias rubens); regenerating three arms

Diver and Common Starfish (Asterias rubens), ice-diving, White Sea, Karelia, north Russia, Arctic

These two parasitic mollusks, Thyca crystallina, are growing on the host starfish, Linckia laevigata. This parasitic shell only attaches to this species of starfish, into which it burrows and sucks up nutrients, Philippines

Noble Pen Shell, Pinna nobilis, Les Ferranelles, Medes Islands, Costa Brava, Mediterranean Sea, Spain

Noble Pen Shell, Pinna nobilis, Les Ferranelles, Medes Islands, Costa Brava, Mediterranean Sea, Spain

Red Starfish, Echinaster sepositus, Istria, Adriatic Sea, Croatia

Red Starfish, Echinaster sepositus, Istria, Adriatic Sea, Croatia

Mediterranean Starfish, Hacelia attenuata, Tamariu, Costa Brava, Mediterranean Sea, Spain