Nature up close: Marine biology at Monterey Bay.

The upwelling from the canyon, along with the mixing of cold ocean currents from the north and warmer currents from the south, provides nutrients for a vast variety of more than 525 fish species, 36 species of marine mammals (such as whales, dolphins, seals and sea otters), kelp and another 450+ species of algae, and thousands of invertebrates varieties.