2009 California Fish and Game Code - Section 8500 :: Article 14. Tidal Invertebrates

8500.  Except as otherwise expressly permitted in this chapter, no
mollusks, crustaceans, or other invertebrates may be taken, possessed
aboard a boat, or landed for commercial purposes by any person in
any tide pool or tidal area, including tide flats or other areas
between the high tidemark and 1,000 feet beyond the low tidemark,
unless a valid tidal invertebrate permit has been issued to that
person that has not been suspended or revoked. The taking,
possessing, or landing of mollusks, crustaceans, or other
invertebrates pursuant to this section shall be subject to
regulations adopted by the commission.