Life Between the Tides
Catalina Island’s Intertidal Zone
On Catalina Island, 20 miles (32 km) off the coast of Southern California, much of the intertidal habitat is rocky and rough. I worked as a teacher at Catalina Island Marine Institute, an outdoor marine science school that students from fourth grade to twelfth grade visit to learn about the ocean. I loved taking my classes to investigate our constantly changing intertidal zone.
Let’s explore this wondrous environment between the tides!
First, listen to the constant rhythm of the intertidal world: a as blue-green water pours into cracks around the rocks, a gargle as
