A fascinating guide to the secret worlds of the intertidal zoneThe vast and diverse California coast is an awe-inspiring place of exploration and discovery, full of life forms that are shockingly unfamiliar. Intertidal fish that can breathe in air, worms that build entire reefs, and seaweeds that can be mistaken for tar spots—these are as common as the more familiar barnacles that eat with their feet. Unicorn snails lie still on the rocks as they drill into the she...

Take a closer look into the secret worlds of the intertidal zoneA spectacular variety of life flourishes between the ebb and flow of high and low tide. Anemones talk to each other through chemical signaling, clingfish grip rocks and resist the surging tide, and bioluminescent dinoflagellates—single-celled algae—light up disturbances in the shallow water like glowing fingerprints.This guidebook helps readers uncover the hidden workings of the natural world o...