cluster of pisaster ochraceus, known as the purple sea star or ochre starfish and mussels on haystack rock in the pacific ocean

invertebrate animal food seafood wildlife reef underwater fish organism produce insect flower cluster pisaster ochraceus purple sea star ochre starfish mussels haystack rock pacific ocean cannon beach oregon united states aquatic black coast coastal low tide marine life mussel natural nature north america northwest orange rays sand seaside seaweed shells tidal pool tolovana water