Cal. Fish and Game Code - FGC § 8500. Section 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.