An underwater exploration beneath kelp forests in the Pacific Ocean off the coast of Southern California. The film captures the birth of a shark, squids mating, a lobster molting, a fish protecting its nest from an octopus and a sea urchin, and the sea bed covered with brittle stars.

An underwater exploration beneath kelp forests in the Pacific Ocean off the coast of Southern California. The film captures the birth of a shark, squids mating, a lobster molting, a fish protecting its nest from an octopus and a sea urchin, and the sea bed covered with brittle stars.