Many fish shelter in the forest, lay eggs, and feed n other floating or attached organisms. Some sea urchins feed on kelp. When hunters killed sea otters which feed on sea urchins, sea urchin populations grew and killed off kelp. This, in turn, killed many fish dependent on the kelp. C. Sandy Shore or Shelf Ecosystem - shelf ecosytem with sandy bottom sediments either within or below the littoral zone.
Sand crabs are common as well.
Numerous predators including birds. Factors which especially control the community are high organic flux, low oxygen levels, and limited food supply. Clams and worms are most common organisms. Both epifaunal and infaunal components.