The upwelling of a unique and powerful current within Greater Farallones National Marine Sanctuary is responsible for creating one of the most spectacular and biodiverse marine ecosystems on the planet. It is home to one of the largest feeding grounds for white sharks, 36 species of marine mammals, over 390 species of fish, and over 330 species of invertebrates – deep sea corals, sponges, shrimp, crab and other mollusks and crustaceans and much more.