Ключевые слова: asteriidae, asteroidea, beach, british columbia, california mussel, canada, climate change, coastal, coastline, crevices, diverse, dock, echinoderm, ecology, ecosystem, five, forcipulatida, health, indicator, intertidal, keystone species, marine, ocean, ochre sea star, ochre starfish, pacific northwest, pacific ocean, pisaster, pisaster ochraceus, population, predator, purple, purple sea star, radial symmetry, rays, sea life, sea star wasting syndrome, shore, shoreline, star fish, starfish, sunshine coast, thormanby island, tidal, tide pool, vibrant, wildlife,