Marine-Derived Nutrients The Aquatic Food Web FREEING THE ELWHA Algal Blooms The North Pacific Turns Green FREEING THE ELWHA The Marine Food Web eals feed on small fish and salmon Orca feed on salmon and/or seals Adult Salmon feed on small fish nchovies are common schooling fish Juvenile salmon can be prey for adults Juvenile salmon feed on plankton Small forage fish feed on plankton ooplankton feed on algae and smaller plankton Algae produce food from photosynthesis