A yellow-edged cadlina, a type of nudibranch or sea slug, is seen laying on the bottom of a tide pool at Fitzgerald Marine Reserve on the San Mateo County coast during an exceptionally low tide on Dec ...
onsider it nature’s ultimate treasure hunt — a fun, free, family-friendly way to spend time outside on the Sonoma Coast. If you prefer, you can call tide pooling a crash course in marine biology field ...