Sea otters are one of the predators — one of the wolves, to continue the metaphor, to our urchin deer — keeping urchins in ...

But despite its apparent lethargy,Pisaster ochraceus serves as a top predator of the intertidal zone—tiger of the tide pool—though it lacks anything like a brain. Sarah Ann Thompson ...

Perched on the coast of the Pacific Ocean, residents of and visitors to America's Finest City have access to 31 world-class beaches -- and that includes some first-class tide pools, too.