California State Capitol. (Photo: Katy Grimes for California Globe)
Aquatic Invasive Species
Deals with aquatic invasive species in California
By Chris Micheli, October 9, 2026 2:42 pm
Division 3, Chapter 3.5 deals with aquatic invasive species in California.
Section 2300 prohibits any person from selling, possessing, importing, transporting, transferring, releasing alive in the state, or giving away without consideration the salt water algae of the genus Caulerpa.
Section 2301 prohibits a person from possessing, importing, shipping, or transporting in the state, or place, plant, or cause to be placed or planted in any water within the state, invasive mussels.
Section 2302 provides that any person, or federal, state, or local agency, district, or authority that owns or manages a reservoir where recreational, boating, or fishing activities are permitted, except a privately owned reservoir that is not open to the public, is required to do two specified activities. The program is required to include, at a minimum, three specified items.
Any person, or federal, state, or local agency, district, or authority, that owns or manages a reservoir where recreational, boating, or fishing activities of any kind are not permitted, except a privately owned reservoir that is not open to the public, must, based on its available resources and staffing, include visual monitoring for the presence of mussels as part of its routine field activities.
Section 2303 defines the term “invasive mussel.”
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