green anemone, anthopleura xanthogrammica, and purple sea urchin, strongylocentrotus purpuratus, vancouver island, bc, canada

actiniidae america anemone anemones anthopleura boulders british canada canadian coast coastal columbia columbiana environment family fuca giant green group intertidal island juan lettuce life marine nature north northwest ocean pacific park point pool provincial purple purpuratus rocks rose rough saltwater sand sandrose sea sombrio species strongylocentrotus surf tentacles tidal tide tidepool ulvaceae ulvales urchin urticina vancouver water west western xanthogrammica