Consumers cannot manufacture their own energy like plants do so they eat other organisms. Consumers are broken down between herbivores, carnivores, and omnivores.

 Herbivores
 Omnivores
 Scavengers
 Secondary Carnivores (Predators)
 Top Carnivores (Predators)
Marine Life of the Northwest Pacific Ocean
Marine Life of the Northwest Pacific Ocean By Jon and Keith Pictures, with comments, of specie seen on dives in the Pacific Northwest.
http://www.seaotter.com/