pescadero invertebrates

I am planning to take my kids to Pescadero next month for a day of beach combing, picnic..etc.  I would like to come home with some mussels, goosenecks and maybe clams or whatever we rustle up.  Is harvesting invertebrates legal there? 

thanks,
Nate

It's legal.
http://www.dfg.ca.gov/mlpa/